OpenTechnical

OT-2026-000009948

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, vented after 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-2026-000009948) never changes.

Identity and time

Publication numberOT-2026-000009948 · never reused
Internal UUID01a0ae6b-cb79-7700-aa8e-bfab4fc1c093 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009948
StatusPUBLIC

Content hashes

Canonical text2a82ec425112219d8ec4ac7fa5d39f9df143328d97b08b7107e0dd9385029eda
Markdownc9ef56596d69e8b121a36e2bdcbb26e1ccfededb8f067cfb020adb0f1637e958
PDF
Publication page19d708c90cd8652d7a57bd2f44908ad37a6a8624d84aabc719d9b5087590cbd4
Manifestd74e1100ffa7a8c6512be8b49aa801e9d70ed443a14dd46be9b9f3fe3657db83

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
SignaturenaxOeqxG5yp6VndpYfMtrH2rD+psIPixf5xJQcoXl9snQnl5sGEB3PrZTO71W0oWEvdtpNBfcxdAQG3SdixaDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:15:58.872152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009948
observed 19d708c90cd8652d7a57bd2f44908ad3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:58.852101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009948/manifest.json
observed d74e1100ffa7a8c6512be8b49aa801e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:58.831498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009948/publication.md
observed c9ef56596d69e8b121a36e2bdcbb26e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:58.808706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009948/publication.txt
observed 2a82ec425112219d8ec4ac7fa5d39f9d...
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.