OpenTechnical

OT-2026-000057503

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000057503) never changes.

Identity and time

Publication numberOT-2026-000057503 · never reused
Internal UUID01a0ae88-2692-704f-a564-e05d9cc5b389 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057503
StatusPUBLIC

Content hashes

Canonical text6770282d5c6ad10ad8e3ba513a1c86a4a56520c7a1ee41c9f0d3a815f891f94c
Markdowndd75904d99a6b7647be5c364353a1a7caf7c69b863b775d3e42acdeab4a3f886
PDF
Publication page811dcdc7e9dd0e3b776437034d5abf41a10562056562893dfbec771356d258b8
Manifesta54873e7b17a21b7c7f81588df8e546e12910217ebd712b5b94893acdd3b7310

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
SignatureIky2J5C2grKGGnJjK7nDiq/PB7t9xGjnuek+MrObxF9c8XWpbBIOKLROM6zXaBzV9BpOHNNSEFZWer7PYHYpDg==
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...

Independent retrieval

2026-09-17T10:48:01.887781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057503
observed 811dcdc7e9dd0e3b776437034d5abf41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:01.867734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057503/manifest.json
observed a54873e7b17a21b7c7f81588df8e546e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:01.849554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057503/publication.md
observed dd75904d99a6b7647be5c364353a1a7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:01.831918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057503/publication.txt
observed 6770282d5c6ad10ad8e3ba513a1c86a4...
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.