OpenTechnical

OT-2026-000021295

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, two 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-2026-000021295) never changes.

Identity and time

Publication numberOT-2026-000021295 · never reused
Internal UUID01a0ae6f-865c-717f-9f4c-83567d92dbf9 · 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-2026-000021295
StatusPUBLIC

Content hashes

Canonical text2661fc9ea9cbebea06ab2e65bca7cb861c83cd0ca9af0d358bea4ec7d8fe4fa2
Markdownf0cf0a8c02964a5b61c52324655b4e47b0c8a978dd73cd89113668602d0d015b
PDF
Publication page0ee6ee4e5032770272f432eb81c834c816719ca58f0f1b7e06acc6a492465ac2
Manifestfe99f88adc87a66b0026ad2f75d00cb5447f16c7e7e322a24b38bb55872907da

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
SignatureNeFx7SucNGKDX1kyOg+e1TZqyKfz0b60pYHjWrRpfXGaYlMxelR7QhSOKo9rtVdGQRQorysG4ZiCdKouwYigAA==
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

2026-09-17T11:55:07.891407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021295
observed 0ee6ee4e5032770272f432eb81c834c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:07.873778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021295/manifest.json
observed fe99f88adc87a66b0026ad2f75d00cb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:07.850616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021295/publication.md
observed f0cf0a8c02964a5b61c52324655b4e47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:07.832442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021295/publication.txt
observed 2661fc9ea9cbebea06ab2e65bca7cb86...
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.