OpenTechnical

OT-2026-000021233

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold 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-2026-000021233) never changes.

Identity and time

Publication numberOT-2026-000021233 · never reused
Internal UUID01a0ae6f-865c-78b4-adc8-a497af6443b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021233
StatusPUBLIC

Content hashes

Canonical text8b1898deac8d2fa03e21f1eb29343ec141eb7e3ef24c509adac9ce81933f3dcd
Markdown5a9f48c76676a0b926d52afec734ca84a86b561851f5b8bdf550512c2441b644
PDF
Publication pageb2a0481e7af406dd4c361542351a59d9bf647d2487b0ec256f369c7820ac08ec
Manifest4c464cb60d31d170b4dfb5594416030aecfd1a6b10b6b5b07a0df15ab6a36337

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
SignatureLkjSddU0/C6mNFnD9NCU6Kfg1Wk8pDmPWJI+LhbhiVlk+oJPDGKFLbu6X+X39sc+OX94tafjIt1Tv+XXTIeYCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:55:02.690074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021233
observed b2a0481e7af406dd4c361542351a59d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:02.671087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021233/manifest.json
observed 4c464cb60d31d170b4dfb5594416030a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:02.650061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021233/publication.md
observed 5a9f48c76676a0b926d52afec734ca84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:02.598010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021233/publication.txt
observed 8b1898deac8d2fa03e21f1eb29343ec1...
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.