OpenTechnical

OT-2026-000077229

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, 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-2026-000077229) never changes.

Identity and time

Publication numberOT-2026-000077229 · never reused
Internal UUID01a0ae94-f508-7f17-ba21-37aab7ad8236 · 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-2026-000077229
StatusPUBLIC

Content hashes

Canonical text1d2984d48edc6d46fbc1c1f2b5e9d013d050fff8e0086a415adfdfe6fba9d85f
Markdownd1eb096f8f9d2fb070f6369fef5eeb44b12823a62f7f1e3beed39afd81de659d
PDF
Publication page9af2aa6c1fbc426e9cc5f228a8df5a153bf23fd99938b2902a3ffd97a1924871
Manifesta8c62a9cc9806257c450955814d32d50cc63c7a939b0dce4a6e7ed879ed6d6b5

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
Signatureck36Zb3tvMCs04sZGX00yw2kPmkA9anJBnrV0QslXRkBfpLTogeLqyxGF7LYi/RqsvTOLfX6Yi9n/Q9kXlwOAg==
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

2026-09-17T10:08:50.201317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077229
observed 9af2aa6c1fbc426e9cc5f228a8df5a15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:50.182055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077229/manifest.json
observed a8c62a9cc9806257c450955814d32d50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:50.163688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077229/publication.md
observed d1eb096f8f9d2fb070f6369fef5eeb44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:50.143030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077229/publication.txt
observed 1d2984d48edc6d46fbc1c1f2b5e9d013...
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.