OpenTechnical

OT-2026-000103512

Publication integrity record

Foam pad vacuum gripper, three zone face, two stage ejector, 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-2026-000103512) never changes.

Identity and time

Publication numberOT-2026-000103512 · never reused
Internal UUID01a0aea4-e461-71c7-8545-abe36b91b883 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103512
StatusPUBLIC

Content hashes

Canonical texta1fdf81359ed6744cb813470b4c8d646d1323fc690f25867d0e5b7cf5e7fc855
Markdown2f48312df788f40f2a974ff64a44fd08bc162212b5f2f9869a440b79472d82c2
PDF
Publication page929333d2ee0274a7200c5da8ebf0495712c1e3479fb1415249a81e55e64faed0
Manifest0987d0ffa3bd240c5698e858b89185bd97dc93d754c12b312fe63158a7f1d50a

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
SignatureKqZKMUqkf5/L1G65capPM1N7PvTL+o6fTgrl/HPbeFlLcpGvJoLOwN9yds32Pqd+8iKE3XeTZXDDjbehUzDpAg==
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

2026-09-17T09:22:16.860282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103512
observed 929333d2ee0274a7200c5da8ebf04957...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:16.841644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103512/manifest.json
observed 0987d0ffa3bd240c5698e858b89185bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:16.825372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103512/publication.md
observed 2f48312df788f40f2a974ff64a44fd08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:16.806768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103512/publication.txt
observed a1fdf81359ed6744cb813470b4c8d646...
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.