OpenTechnical

OT-2026-000042595

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000042595) never changes.

Identity and time

Publication numberOT-2026-000042595 · never reused
Internal UUID01a0ae7a-c0ce-7d74-8809-2e285536a69b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042595
StatusPUBLIC

Content hashes

Canonical text53545901335fbcb723d528be4afbe97f0c9f7c178e22f82e61b5a69fb3209391
Markdownc913d43bf6c44161a467f58668be05536ce9b1ba27d541e483a9ffdd83b279a2
PDF
Publication paged7915bb9aec13aacb69ec79d505b77ccab3c199c2275d0189b1c04cc87b053bc
Manifestdef086b1db4d8ed697260fae2cfc1957365823a6ca5e3cac6d68bad305a0f428

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
SignatureFNkU0WzDH2vJnDro22zX0U6XJpAdcl9brF8Rgk4CrSkPTXI8nXQdXfCRCouuZS52LHLL14puekPg+xZ8y39ABg==
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

2026-09-17T11:14:19.053431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042595
observed d7915bb9aec13aacb69ec79d505b77cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:19.035709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042595/manifest.json
observed def086b1db4d8ed697260fae2cfc1957...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:19.018144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042595/publication.md
observed c913d43bf6c44161a467f58668be0553...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:19.000320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042595/publication.txt
observed 53545901335fbcb723d528be4afbe97f...
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.