OpenTechnical

OT-2026-000077537

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000077537) never changes.

Identity and time

Publication numberOT-2026-000077537 · never reused
Internal UUID01a0ae94-f50a-7d96-ae7d-5662e683de40 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077537
StatusPUBLIC

Content hashes

Canonical textc3af19981589c038fda2e8d65141a52b85a71048cebab680f286d1ec9ba4ced2
Markdownc1073d4e337015e16496b89eef79483803c301f8351e5eb94c03aee8ffc67ae5
PDF
Publication pagecd8474089855ac787f7fd57da57d63395fc4468a58c070d22b1b688b97f2895f
Manifestf81e4b97303eee3a45213875fcc2b2410816bccbce622753451ec25aa4520552

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
SignaturedFAMlbEzpCtXD5kd2yrl1kFZSBFQarxf05I7G3pjrGnTqj2zv1ufxFjrmzsZ47G8KWK8C+0nBRDRDYjSKA5DCg==
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

2026-09-17T10:09:13.798954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077537
observed cd8474089855ac787f7fd57da57d6339...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:13.780804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077537/manifest.json
observed f81e4b97303eee3a45213875fcc2b241...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:13.762070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077537/publication.md
observed c1073d4e337015e16496b89eef794838...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:13.743509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077537/publication.txt
observed c3af19981589c038fda2e8d65141a52b...
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.