OpenTechnical

OT-2026-000103598

Publication integrity record

Four cup vacuum gripper, four zone face, single 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-2026-000103598) never changes.

Identity and time

Publication numberOT-2026-000103598 · never reused
Internal UUID01a0aea4-e461-7f78-bf17-91d05123b2b9 · 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-2026-000103598
StatusPUBLIC

Content hashes

Canonical text7db60a81f23ad3400c9e4ce2e4c72914944420ff6612107be86f905539f85161
Markdownaea925fc409eb36e07fb35f39c1c37961e9b9d3a8961da6b4089b45df32f7790
PDF
Publication page327de7b40977360543ad303254525f63f4fd3bdbfb22d0e1720ec30e63ca9c9f
Manifest331331ce6a07babd3485b4a4932eec9937aa6f850c692eaede4ec200eeb60836

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
SignatureDJx//xNhDpCW0VZUFoTgJjBBu2hIB5tLLS6rjyHQ6OWcudwHdmqn1RjGlcuPE4Ays0LRK/mBF8pPsbN80G8QBQ==
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

2026-09-17T09:22:23.237382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103598
observed 327de7b40977360543ad303254525f63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:23.220740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103598/manifest.json
observed 331331ce6a07babd3485b4a4932eec99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:23.204128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103598/publication.md
observed aea925fc409eb36e07fb35f39c1c3796...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:23.187073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103598/publication.txt
observed 7db60a81f23ad3400c9e4ce2e4c72914...
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.