OpenTechnical

OT-2026-000086763

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, sustained 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-2026-000086763) never changes.

Identity and time

Publication numberOT-2026-000086763 · never reused
Internal UUID01a0ae9a-80a4-7d6b-b09a-b10ff24e879d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:36.209195Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086763
StatusPUBLIC

Content hashes

Canonical textdfe722a42e049ad95e1237a8543aa2b8aa231ce0217b66b3dc62d82ab63f488c
Markdownd964be2fc49de4350cd1997d13666f57ff366cb24d2bcd27a0d5cf34499d4152
PDF
Publication pagef92b6911819dc4333bf7a072b7834771d6b5d4243e7792f739e177f534e26979
Manifesta507432e176ce75172d849de26181eeef30986182356b2c7140783fb5a13ed8f

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
SignatureCDB1Tpd0QHzZu0l9DKTBOb92Ay21eX5HZDlnwUcvSV0Y2J5t1W85OCc/BgaISDlPTw63xZL/UlkaVyATSgRODQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:51:33.974793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086763
observed f92b6911819dc4333bf7a072b7834771...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:33.956859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086763/manifest.json
observed a507432e176ce75172d849de26181eee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:33.940564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086763/publication.md
observed d964be2fc49de4350cd1997d13666f57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:33.923176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086763/publication.txt
observed dfe722a42e049ad95e1237a8543aa2b8...
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.