OpenTechnical

OT-2026-000100691

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000100691) never changes.

Identity and time

Publication numberOT-2026-000100691 · never reused
Internal UUID01a0aea3-66f3-770c-b549-f01d09c36582 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100691
StatusPUBLIC

Content hashes

Canonical text68facc5e6edb56aa6d5c033d42176c190e7e7ba609ae3ee8a62e07f5b4a3726e
Markdown983b98d480b8ad99bc3a4b7c77725fe8e529f2a1ec3d243326d3aa66b6949d55
PDF
Publication page581a5a2b83cdf371b24219c18e6ef4dff6ece63964df5b77e77678f63eacea81
Manifest817d36636106a9c04827810fed89f9b20a8c862409c2ef16b36bd8a4f4701679

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
Signature9gg/IOEi+HUHk/m4HGN1sv85DBwRQF6+9r60MDMijI+xXzQSmRD4AE6eQFeaOp7l2IPFXubb9q+8/igmnZ+iCA==
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

2026-09-17T09:27:30.435034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100691
observed 581a5a2b83cdf371b24219c18e6ef4df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:30.415667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100691/manifest.json
observed 817d36636106a9c04827810fed89f9b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:30.398763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100691/publication.md
observed 983b98d480b8ad99bc3a4b7c77725fe8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:30.381618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100691/publication.txt
observed 68facc5e6edb56aa6d5c033d42176c19...
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.