OpenTechnical

OT-2026-000102634

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, pump fed, pulsed blow-off after 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-2026-000102634) never changes.

Identity and time

Publication numberOT-2026-000102634 · never reused
Internal UUID01a0aea4-858b-72cc-9450-e4948eb6deb7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102634
StatusPUBLIC

Content hashes

Canonical text90ae9e254652589585c17f938ec31ca9d195d7b84d74c40f4212dafa8d2d551b
Markdown15b404c81ffab1260c263547c06b7307ed1a11b2b61c39f12f2d987e0bbb4363
PDF
Publication page1a1ddc80b8d1c52d7f3ad1ba36a706dc5eff4d92bf15f1b509e5b80b3ae0d3dd
Manifest937e3d86d77d83824d22e63f71b4a4d48af0f285bf53fde98dac1388fd7e16cb

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
SignatureG4c9vm9vf5mz766QXGfrHq1xASTkRsEtmEwOsHnTOb1EUDTHSUm1Jbf8U99iiqcjEm4WY2aF2c/fJQUWS0WUDQ==
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

2026-09-17T09:24:07.773354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102634
observed 1a1ddc80b8d1c52d7f3ad1ba36a706dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:07.753880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102634/manifest.json
observed 937e3d86d77d83824d22e63f71b4a4d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:07.735436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102634/publication.md
observed 15b404c81ffab1260c263547c06b7307...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:07.717586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102634/publication.txt
observed 90ae9e254652589585c17f938ec31ca9...
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.