OpenTechnical

OT-2026-000057450

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, vented before set-down

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-2026-000057450) never changes.

Identity and time

Publication numberOT-2026-000057450 · never reused
Internal UUID01a0ae87-d5c7-73b3-b9c1-05507b433896 · 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-2026-000057450
StatusPUBLIC

Content hashes

Canonical text242562da4da42070ac84f62ad8f0eeb212bf1815df01d42b7228e014ae18842a
Markdowne17666cef9aa773bd936b105b4cde4d82ee9c57de4683e3e7c9357440d1e2bf5
PDF
Publication page5363fa24000eb9d3f2979581c22c845684c8192ed496669ca07b327ab7e3c25a
Manifestbb26361f20e59c4160638ac192647b6bb5cf1d0f5ea0a9c410efa59864e4ee8a

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
SignatureW+jzTzav3svFtqK/eJI+KLsmaQvkMK1CKSYe2p0HFf8CgsLbwzIL60a0HVggozcjJrvyPb9qc2Zq+lJQTFfaAQ==
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

2026-09-17T10:49:44.847365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057450
observed 5363fa24000eb9d3f2979581c22c8456...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:44.830530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057450/manifest.json
observed bb26361f20e59c4160638ac192647b6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:44.812717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057450/publication.md
observed e17666cef9aa773bd936b105b4cde4d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:44.795673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057450/publication.txt
observed 242562da4da42070ac84f62ad8f0eeb2...
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.