OpenTechnical

OT-2026-000070121

Publication integrity record

Two cup vacuum gripper, two zone face, plant vacuum fed, supply line pressure sensor, 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-2026-000070121) never changes.

Identity and time

Publication numberOT-2026-000070121 · never reused
Internal UUID01a0ae91-1862-7f4e-b480-4d062ed419e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070121
StatusPUBLIC

Content hashes

Canonical textb3f6da382c8d6b6f63ac8d3e110d81c4a099490c86d548e601d36768c32ed3f7
Markdownc8e12ddf211203454e1677d8a202c9d614e2dfa34be8332520d25a92425a4e3a
PDF
Publication page20029f1d5e62b589392b1d6dd2db196f7e5d3e763ae856e0fee6ae09dc2d66be
Manifest53d8bf7e2df661d1cbee1acb3e4c54cf8a704b1db4b027c466f4bd06c2facea3

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
SignatureP1p6TRkVpTzDlw1JZHFOVWYZxUe+tvRqBn/dMdxziWT6D8j5i2d664ZCfaPc2wuqnLSNb55mgPAD1nhxszDKBg==
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

2026-09-17T10:27:05.788431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070121
observed 20029f1d5e62b589392b1d6dd2db196f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:05.768322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070121/manifest.json
observed 53d8bf7e2df661d1cbee1acb3e4c54cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:05.748836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070121/publication.md
observed c8e12ddf211203454e1677d8a202c9d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:05.719062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070121/publication.txt
observed b3f6da382c8d6b6f63ac8d3e110d81c4...
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.