OpenTechnical

OT-2026-000075550

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, supply line pressure sensor, vented 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-2026-000075550) never changes.

Identity and time

Publication numberOT-2026-000075550 · never reused
Internal UUID01a0ae94-29fc-7536-9294-155484c3f8f1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075550
StatusPUBLIC

Content hashes

Canonical text9b36cba30b2c11de22d93eb9d97ea90e396ccad57796293250e1cb70de054880
Markdownbb1ca6603222a4d8da84fb2d0582cc1a4a84cd362e152c9bc65761fa96cfe8f6
PDF
Publication page01e6ff84050148f02c0cfa14a6c225b2b8cf1ce1afc9383baf6ddd00a1dbbee2
Manifestdf21b751537a8450524ee1464062332f140fc781e4e85a07c6b9833fe60ac8e5

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
SignatureAn1wXs28F6y5Ggt0v1sw5Wagw6uMSy2upFBuz3h2mcCG/ogAvwe80VJGI7rJ+Ss0NjBabdgxOB/LsiRDTaTbDw==
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

2026-09-17T10:13:04.993288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075550
observed 01e6ff84050148f02c0cfa14a6c225b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:04.971518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075550/manifest.json
observed df21b751537a8450524ee1464062332f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:04.953635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075550/publication.md
observed bb1ca6603222a4d8da84fb2d0582cc1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:04.809679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075550/publication.txt
observed 9b36cba30b2c11de22d93eb9d97ea90e...
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.