OpenTechnical

OT-2026-000033139

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, single stage ejector, pulsed 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-2026-000033139) never changes.

Identity and time

Publication numberOT-2026-000033139 · never reused
Internal UUID01a0ae75-4844-7ea8-a3b4-69f9680a0ab5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033139
StatusPUBLIC

Content hashes

Canonical texte481da8be665f1392df0a3432320530936891ba4642a1ee3b3183f3a33a31ff6
Markdown8af61309dd25c0ac94c6dd6e80e851de40c60d2713ad502b2024ad9b1efea13a
PDF
Publication page4f2ec911849c8e905796dff341d95b2188e6d09f9fa58c886f0cfbc9f74d2254
Manifest8fadeb37957605139a65d9801905abe271180e102e97c31533a341c1548f69d8

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
SignatureS5fjFgxjW5COA8RNC6Mw91da2WpOIdW3aEPpnJYgvwhU+lYyM8P+oTx+6cifmHgAtgtjOuTzCJblU2IVE2KvDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:32:49.358706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033139
observed 4f2ec911849c8e905796dff341d95b21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:49.341290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033139/manifest.json
observed 8fadeb37957605139a65d9801905abe2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:49.323699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033139/publication.md
observed 8af61309dd25c0ac94c6dd6e80e851de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:49.307472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033139/publication.txt
observed e481da8be665f1392df0a34323205309...
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.