OpenTechnical

OT-2026-000086993

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, pump 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-2026-000086993) never changes.

Identity and time

Publication numberOT-2026-000086993 · never reused
Internal UUID01a0ae9a-80a5-7ffe-97ea-bd29beda7824 · 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-2026-000086993
StatusPUBLIC

Content hashes

Canonical textb0dddf937ea4316b472ec8624dee8d61cffb85bb0bc2ea51eeeba6d2df8c731b
Markdown83c34912f30b69b99525a33268c8776f08b1f57d43050080014e4e21546fc803
PDF
Publication pageb0cb76057aee7f4d831dce85cdd6fa05cfc32bc5ff45c2542804166f16f17472
Manifest7ff78b417de38ddad5318a32f988ef2df942bd3d4fdb3ff191379fcead43a3eb

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
SignatureBflTZk1S4m2IorN/Cc4ZC86Klp1VaaN2eLySrPeSD2tk4pf3UyGgCK/KTQpUxDD7dQCMNYJ9tZo8ha62/27rAQ==
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

2026-09-17T09:51:53.744461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086993
observed b0cb76057aee7f4d831dce85cdd6fa05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:53.727445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086993/manifest.json
observed 7ff78b417de38ddad5318a32f988ef2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:53.709232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086993/publication.md
observed 83c34912f30b69b99525a33268c8776f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:53.691846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086993/publication.txt
observed b0dddf937ea4316b472ec8624dee8d61...
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.