OpenTechnical

OT-2026-000014542

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, 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-2026-000014542) never changes.

Identity and time

Publication numberOT-2026-000014542 · never reused
Internal UUID01a0ae6d-b27b-7c1d-a015-09370ee5eaf7 · 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-2026-000014542
StatusPUBLIC

Content hashes

Canonical texte1f7fca1fefc8d7fd3cfc26d6d320a7b2ed1a010135b8b078b15b6f2edbfd73f
Markdown8047f300e03320bae8776b7a28c9a9963b149ae2cbe10f5ab27b5eca34f0de85
PDF
Publication page2baae8f327c5c1bf845aec58693e8663a7df277b4260ebd7d43befb9c1f5aceb
Manifestc1664744766aecc3bf6d4b06c4b4502e531cc19a1c52b0ecd800ad97ee9c4eee

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
SignaturegHvJGVNYt5X/7gQdJTqTN79YDhg4cEYmdqxfSR9zeyXm3Tsj4ginkDvFXrLezTmKncpN+9bEmfYjbDInz/9ICQ==
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

2026-09-17T12:10:23.418798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014542
observed 2baae8f327c5c1bf845aec58693e8663...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:23.398908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014542/manifest.json
observed c1664744766aecc3bf6d4b06c4b4502e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:23.378826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014542/publication.md
observed 8047f300e03320bae8776b7a28c9a996...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:23.358484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014542/publication.txt
observed e1f7fca1fefc8d7fd3cfc26d6d320a7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:26.552609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014542
observed 2baae8f327c5c1bf845aec58693e8663...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:26.534576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014542/manifest.json
observed c1664744766aecc3bf6d4b06c4b4502e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:26.516273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014542/publication.md
observed 8047f300e03320bae8776b7a28c9a996...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:26.496723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014542/publication.txt
observed e1f7fca1fefc8d7fd3cfc26d6d320a7b...
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.