OpenTechnical

OT-2026-000077598

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, vented after 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-2026-000077598) never changes.

Identity and time

Publication numberOT-2026-000077598 · never reused
Internal UUID01a0ae95-2ece-7dfa-bb2c-d08035126187 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077598
StatusPUBLIC

Content hashes

Canonical textca84d288f780684b32d7bd07d27dccddbc4d90c36f66b51eb517d0833e2b0967
Markdowncc50c289b070bf5e16912ef1471901706e0f0386bb2d8ce57d5c339a11395f36
PDF
Publication page953c10ea483a69d2d55b67cdd0aa9a01fca9083074acb61a5cabb948db8cc32d
Manifest8a9d64d8684357e4f3f34b15e6b9a99ac6ae1102404e2bf90b152d78a0138180

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
SignatureZPqTxbaPFjcWiw+uc2CikziV5bZs/i25YMbxoOkWVajMAxmNnOjaDBWj4g7pjEmfyc3L5cdPzeGUcVTi0tGBDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:07:09.223768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077598
observed 953c10ea483a69d2d55b67cdd0aa9a01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:09.192373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077598/manifest.json
observed 8a9d64d8684357e4f3f34b15e6b9a99a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:09.172122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077598/publication.md
observed cc50c289b070bf5e16912ef147190170...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:09.150279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077598/publication.txt
observed ca84d288f780684b32d7bd07d27dccdd...
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.