OpenTechnical

OT-2026-000057309

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, vented before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000057309) never changes.

Identity and time

Publication numberOT-2026-000057309 · never reused
Internal UUID01a0ae87-d5bc-7543-a2d9-596f99639845 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057309
StatusPUBLIC

Content hashes

Canonical text23c0ef6e202b2fdd2e6e1d2ef47c5a0641be015870d155b6d80de7de7e5f8e51
Markdowna5acd9eaa5879382bce63703057c4f71115ef94c0cd5d68443087cad959c97e2
PDF
Publication page050778ef1df82b0307f69bc9f33065a7816c67121025c6cda8bbd2b5c5ef8ae3
Manifest1f94217825be17fc9d32c2823e9e34eb7d799a15f50b1cb5b4c58c988315f8ff

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature16NsYgJc9l3xQ55xrw0b5aR60IPfyQHJuYEysY6QQlx4fuV8mL+wKZ8Q+kPPRXdIy0uX1ZelG7F9K3bmt5VTBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:25.006693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057309
observed 050778ef1df82b0307f69bc9f33065a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:24.988170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057309/manifest.json
observed 1f94217825be17fc9d32c2823e9e34eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:24.972708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057309/publication.md
observed a5acd9eaa5879382bce63703057c4f71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:24.956410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057309/publication.txt
observed 23c0ef6e202b2fdd2e6e1d2ef47c5a06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:34.299059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057309
observed 050778ef1df82b0307f69bc9f33065a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:34.277889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057309/manifest.json
observed 1f94217825be17fc9d32c2823e9e34eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:34.258940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057309/publication.md
observed a5acd9eaa5879382bce63703057c4f71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:34.241868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057309/publication.txt
observed 23c0ef6e202b2fdd2e6e1d2ef47c5a06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.