OpenTechnical

OT-2026-000052177

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, 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-2026-000052177) never changes.

Identity and time

Publication numberOT-2026-000052177 · never reused
Internal UUID01a0ae83-e790-73c2-b220-a145b5b8a539 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052177
StatusPUBLIC

Content hashes

Canonical texte03f3401c646ba596aea6b03aecff6f4334d99649bb9ae1f47f0d90caeb43403
Markdown985338d5d5213e816211662de791428536bfc1e6341455eab4759dca82f10bc0
PDF
Publication page7af86fe4e478568af646480887a4cfaea48a2b8f9529b6ea1622795a73304860
Manifest9bb888d51ddb58896b8a9a3f05ddb3fb9772f500bd3ecd9547418c65fc3fcc44

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
SignatureSI6kY7guTO4Wa+nQJEukxC287j3PpyELsa0ySPQ5HeHqNgSpmRK0TKhxVb/TulzGYrJhnb5lJHlIOTh/JjRFAw==
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

2026-09-17T10:57:44.280178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052177
observed 7af86fe4e478568af646480887a4cfae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:44.261023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052177/manifest.json
observed 9bb888d51ddb58896b8a9a3f05ddb3fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:44.240885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052177/publication.md
observed 985338d5d5213e816211662de7914285...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:44.217793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052177/publication.txt
observed e03f3401c646ba596aea6b03aecff6f4...
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.