OpenTechnical

OT-2026-000102503

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, 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-2026-000102503) never changes.

Identity and time

Publication numberOT-2026-000102503 · never reused
Internal UUID01a0aea4-858a-743b-970b-60cc9caa6288 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102503
StatusPUBLIC

Content hashes

Canonical textc7054182ea593992f88a0a8ecb13a5d434d3212293e19a13816cce54d007ab79
Markdown158f2a2f307cc1f6a91507d054249c44e0e6c6f3230a34dcdafacb093830eccf
PDF
Publication pagede0c3e2ba0f3e27a1c43cda98aa941f148a01316819fd7f2a64565a7a45447c1
Manifest26521abf5d2f981ded292bf2eeb5e34e0119fcc13a79dc268c962023d581cc72

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
SignatureIGhZHGTY2AQOGs8cLHNMBlO9Gyy6cYVZ8lnr/P2BntpFVlmtnnmwpYYb3yCLJYrJ2GoGuEvTkwTVEmw7B/1nBA==
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

2026-09-17T09:23:51.549240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102503
observed de0c3e2ba0f3e27a1c43cda98aa941f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:51.528539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102503/manifest.json
observed 26521abf5d2f981ded292bf2eeb5e34e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:51.493489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102503/publication.md
observed 158f2a2f307cc1f6a91507d054249c44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:51.475132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102503/publication.txt
observed c7054182ea593992f88a0a8ecb13a5d4...
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.