OpenTechnical

OT-2026-000098201

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000098201) never changes.

Identity and time

Publication numberOT-2026-000098201 · never reused
Internal UUID01a0aea1-e964-7567-999b-0be59ad0beae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:41.837875Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098201
StatusPUBLIC

Content hashes

Canonical text8c398d75e2471c526f1f42a67eab32d86f295f92a8228b49f1b25b6f2f506c59
Markdowned1a7b72f95d2d1319b753d6aa1db9047811f85e7fbd6d3a80989f686d9d841c
PDF
Publication page16b1ef6683a3083bf3816059d462717d795919ed1b6d3841d82a61f83eab979a
Manifest1c62ca9b36cbbbce1807b53742b982322f7ecacdeb4c96df81d29f067232ed93

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
Signatureg59s1HMNdQZRNXVDSZ3n/n8//mbRrLvrrhAonbdXTDTHUHF/VT24o6jTOScX/TIjD7UwmBcElRqtIvW0t4KkBg==
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

2026-09-17T09:31:21.704781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098201
observed 16b1ef6683a3083bf3816059d462717d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:21.685863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098201/manifest.json
observed 1c62ca9b36cbbbce1807b53742b98232...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:21.668119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098201/publication.md
observed ed1a7b72f95d2d1319b753d6aa1db904...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:21.644479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098201/publication.txt
observed 8c398d75e2471c526f1f42a67eab32d8...
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.