OpenTechnical

OT-2026-000083377

Publication integrity record

Three cup vacuum gripper, three zone face, three stage ejector, sustained 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-2026-000083377) never changes.

Identity and time

Publication numberOT-2026-000083377 · never reused
Internal UUID01a0ae97-c964-7333-8bff-31c09bd947e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083377
StatusPUBLIC

Content hashes

Canonical textd12ffa9b40dfd3d01c8bd14d141c7e9fab5f825e758a8774a84e3460346eb47f
Markdown4a1f21aeaf2cf0682cfdf673b7fb78dceea49542c0f8066e210c0e1f0c6f0699
PDF
Publication page6d76cc2ce8d9b8810ae3bb7dc3c0dd3f647bf4f916f9364eb1225aa255a4bef0
Manifestd2cb3da4f7990f6ae3adda870818250d359ccae0c7686458d165a736483e4264

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
SignaturepVasFr7uzhdPwfd628VxFu5TE885pxFt5KA06pD2Nxgu3EFD/5Csowu7e2r90FOPZZuPQLvVn1F/NjP+1j5MDw==
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

2026-09-17T10:00:48.851281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083377
observed 6d76cc2ce8d9b8810ae3bb7dc3c0dd3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:48.818645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083377/manifest.json
observed d2cb3da4f7990f6ae3adda870818250d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:48.787175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083377/publication.md
observed 4a1f21aeaf2cf0682cfdf673b7fb78dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:48.746992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083377/publication.txt
observed d12ffa9b40dfd3d01c8bd14d141c7e9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:46.890200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083377
observed 6d76cc2ce8d9b8810ae3bb7dc3c0dd3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:46.874090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083377/manifest.json
observed d2cb3da4f7990f6ae3adda870818250d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:46.858128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083377/publication.md
observed 4a1f21aeaf2cf0682cfdf673b7fb78dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:46.840993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083377/publication.txt
observed d12ffa9b40dfd3d01c8bd14d141c7e9f...
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.