OpenTechnical

OT-2026-000079535

Publication integrity record

Foam pad vacuum gripper, three zone face, two stage ejector, 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-2026-000079535) never changes.

Identity and time

Publication numberOT-2026-000079535 · never reused
Internal UUID01a0ae96-0b92-798a-9d87-01487b6bfbc0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079535
StatusPUBLIC

Content hashes

Canonical textd060972df039abb5fa43fb2a4d53a2e936f118d9511b3544c3ee0d10785ea120
Markdown28b59da377f1f3f0cdee2f2401a2780e8ca16f8df7a237c1815d0785738bc27e
PDF
Publication pagefc9be044bf5fc518db44477d4b83906563bde873c534c0044f90f1ba0f6ea303
Manifest1604631b652c20ca21a49cd366047cf7ad87faa31acf9c03f23a4dae67b5961d

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
Signaturen+HvNKSBUkJpzSBk+NluvG3D5wbqTKbCTGJPlP/5PL9p3ISJWOpw3eIHcLRJX6ud8W/xxAUpK1ep86JFR970Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:05:10.882709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079535
observed fc9be044bf5fc518db44477d4b839065...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:10.864699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079535/manifest.json
observed 1604631b652c20ca21a49cd366047cf7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:10.847828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079535/publication.md
observed 28b59da377f1f3f0cdee2f2401a2780e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:10.828891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079535/publication.txt
observed d060972df039abb5fa43fb2a4d53a2e9...
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.