OpenTechnical

OT-2026-000045335

Publication integrity record

Foam pad vacuum gripper, two zone face, pump fed, pressure sensor per zone, 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-2026-000045335) never changes.

Identity and time

Publication numberOT-2026-000045335 · never reused
Internal UUID01a0ae7c-f76b-751e-bfa8-517b2d99339b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045335
StatusPUBLIC

Content hashes

Canonical text88191776828fe34af2be1874525e704e9e0cf74ebe7d230a5eadab864385ab77
Markdown041e7cbe265a0df9643225893e60fe99acae1e023a85756aea64f1d0570046ff
PDF
Publication pagebf8ff599a5e458191845fcd1430884f98e7b5632f21a99c10b302fe1f09d1da4
Manifest800ae5e713fe44c93317a96a8ce936ad6292667f7ee0cdee5ab7b5823f077994

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
Signature0ncKvVUMY4VA1BMpN2FOqYsL/cKmM+qEdEPHe9pgeW+0zg8agXwf703sJITBK2OSNKpWvafN2BXxggK7isMWDg==
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

2026-09-17T11:10:35.584045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045335
observed bf8ff599a5e458191845fcd1430884f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:35.566743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045335/manifest.json
observed 800ae5e713fe44c93317a96a8ce936ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:35.548819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045335/publication.md
observed 041e7cbe265a0df9643225893e60fe99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:35.532413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045335/publication.txt
observed 88191776828fe34af2be1874525e704e...
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.