OpenTechnical

OT-2026-000103503

Publication integrity record

Three bellows cup 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-2026-000103503) never changes.

Identity and time

Publication numberOT-2026-000103503 · never reused
Internal UUID01a0aea4-e461-7ad8-aec7-e2f3b51d0e23 · 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-2026-000103503
StatusPUBLIC

Content hashes

Canonical text4a5579b8baef1eb91771d3bad3a420fc7ebdeef8f3da8f7e53a75c8c119f217c
Markdown4cf2d62c1dbdb2f24db7471af27741d0ef382fe953f917c93c4fa815e29c4c89
PDF
Publication pagef661537a84ad787ee4410b3c8b1cf36440c763c0da2d08a5125c3c87d71c1906
Manifest28bef5d978146b7a5304f92279a338673b5e292cd50dcf4d76ce0657dd9d59f2

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
Signatureyg7dZ2xEhmj+mQWX/Tq+U/IxldIfj23ZHOpXw2KANgVu+4pmEZVbOaCGl+wxgIUWLPcJC3YMHxNTg3G70Y2pDQ==
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

2026-09-17T09:22:16.207566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103503
observed f661537a84ad787ee4410b3c8b1cf364...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:16.190541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103503/manifest.json
observed 28bef5d978146b7a5304f92279a33867...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:16.175162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103503/publication.md
observed 4cf2d62c1dbdb2f24db7471af27741d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:16.158230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103503/publication.txt
observed 4a5579b8baef1eb91771d3bad3a420fc...
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.