OpenTechnical

OT-2026-000030555

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, two 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-2026-000030555) never changes.

Identity and time

Publication numberOT-2026-000030555 · never reused
Internal UUID01a0ae73-e505-742e-ab8b-58f6ce1d2cb6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030555
StatusPUBLIC

Content hashes

Canonical text5242ca7a152498f86f59ccdad3c7a2a7199f865e71818dedb0b8724af24aa346
Markdowneee4c0151019567990d7f0488ab7aa3ebd3aaf58f3b7e7eb5952f9eb9bb84238
PDF
Publication page2865aed2032900daa160784bf9b7fd15d8253139f64921034d0c016bf0ef51b4
Manifest7e5a78e8098fb274f09059449f14b946181b8b8e0e74cce1e096385b2fbee022

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
SignatureACZShGP7sd2tYneZs7kP52eVDw7NjPL2l0JZfo3VGkSjTCNTiM415GdEXNgS37KYeqwlmLRAvBLO3yly2yi7Aw==
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

2026-09-17T11:38:25.072498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030555
observed 2865aed2032900daa160784bf9b7fd15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:25.051531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030555/manifest.json
observed 7e5a78e8098fb274f09059449f14b946...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:25.034641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030555/publication.md
observed eee4c0151019567990d7f0488ab7aa3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:25.017855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030555/publication.txt
observed 5242ca7a152498f86f59ccdad3c7a2a7...
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.