OpenTechnical

OT-2026-000100662

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, pressure sensor per zone, 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-2026-000100662) never changes.

Identity and time

Publication numberOT-2026-000100662 · never reused
Internal UUID01a0aea3-66f3-7847-af29-b463ff10e611 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100662
StatusPUBLIC

Content hashes

Canonical textea4d05bb973a66b0c2285e2705d5eec2e13096b6a8befea6fb525ab641ed5ffc
Markdown3ce26e4ba82cff66cb605dd5e67b370d6f9a6211e0d1cec978534f5b83704731
PDF
Publication page6c8d5a6dd24ddd0d63f812980a6e9ebce680b02450370fba03c7b22b6a26a504
Manifest458649f4124b9df45c79493c3f095b7d32e7c15b52c72000c284c9614acea93c

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
Signature/kp2u+NHObZ5SQINzkXxUIPMucQV7c3wzsykTg4JF4E0cbPQi11zQjkuQ8sr1rEyl5Sjq3Y2fINu6S2xVZ5VDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:28.255648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100662
observed 6c8d5a6dd24ddd0d63f812980a6e9ebc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:28.238985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100662/manifest.json
observed 458649f4124b9df45c79493c3f095b7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:28.219793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100662/publication.md
observed 3ce26e4ba82cff66cb605dd5e67b370d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:28.202582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100662/publication.txt
observed ea4d05bb973a66b0c2285e2705d5eec2...
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.