OpenTechnical

OT-2026-000014567

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, single stage ejector, 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-2026-000014567) never changes.

Identity and time

Publication numberOT-2026-000014567 · never reused
Internal UUID01a0ae6d-b27b-714e-bc8c-8dd3e95012a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014567
StatusPUBLIC

Content hashes

Canonical text517835e896d151b3ef82e1b8bb9b179610e7bbca781448e553f2934573f86bed
Markdown183650c1e058221c566c5c8332119621e6fea50cd1522844bdeb21e23c97bdbb
PDF
Publication page96625aad91bd61e636033eff382cdc4cac073cf75b0a2a0e82f92255119f1c3e
Manifest63a0b63ba93b671c45114e87d88246db9f89e02bf8ca11e92be4d4c2ae59c617

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
SignatureNfZXr6X1bNo3qu3n4I01ynJ5VnZ1ExhZVC3nVNOALU6S9nVCWBrU3mPYBOB3DEnFM8Z9vJJnXpjnq5+UFzOQBg==
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

2026-09-17T12:10:26.787638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014567
observed 96625aad91bd61e636033eff382cdc4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:26.763591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014567/manifest.json
observed 63a0b63ba93b671c45114e87d88246db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:26.744748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014567/publication.md
observed 183650c1e058221c566c5c8332119621...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:26.726311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014567/publication.txt
observed 517835e896d151b3ef82e1b8bb9b1796...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:28.373017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014567
observed 96625aad91bd61e636033eff382cdc4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:28.353359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014567/manifest.json
observed 63a0b63ba93b671c45114e87d88246db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:28.328890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014567/publication.md
observed 183650c1e058221c566c5c8332119621...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:28.311638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014567/publication.txt
observed 517835e896d151b3ef82e1b8bb9b1796...
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.