OpenTechnical

OT-2026-000072996

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three 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-2026-000072996) never changes.

Identity and time

Publication numberOT-2026-000072996 · never reused
Internal UUID01a0ae92-c815-736b-9799-5e1c93ae0ace · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072996
StatusPUBLIC

Content hashes

Canonical textdf8dabb8acafbac35f59c847e293f633afaae8760dd829cca6cea30bc208e097
Markdowndb9497a396d32da50a3fd27f2eaf091428578edc92f30da44827cb1f148ac786
PDF
Publication page9511f87ec7684e1da6fb9d368ff938c1f510db8661f9db1ad68523b9e68100b3
Manifest60cc502ddbea343c930908cef9bca18e3ddc641ec404720a12d13bb73a7cc3c4

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
Signature7TWfuRenMWkaMjZVhJOqkFW2aifvfK+7N999C4O1NTZmZd0LuCpJtcmb4Gv96/QqIJ97n/NCyaX85zIgeGBPAw==
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

2026-09-17T10:21:55.734922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072996
observed 9511f87ec7684e1da6fb9d368ff938c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:55.718244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072996/manifest.json
observed 60cc502ddbea343c930908cef9bca18e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:55.701584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072996/publication.md
observed db9497a396d32da50a3fd27f2eaf0914...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:55.683507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072996/publication.txt
observed df8dabb8acafbac35f59c847e293f633...
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.