OpenTechnical

OT-2026-000070491

Publication integrity record

Four cup vacuum gripper, four zone face, three stage ejector, supply line 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-2026-000070491) never changes.

Identity and time

Publication numberOT-2026-000070491 · never reused
Internal UUID01a0ae91-545f-7dee-933d-ce6fd43c39f0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070491
StatusPUBLIC

Content hashes

Canonical textdbc76c514acf9fe0af251a04bd60fa7f039135f47ea4d76a50fd1d8e305bc3c5
Markdown2c7966c2e8bd53b96d6818adb4778a3d56b9b7885fc993c3ed4940ec258ab3d7
PDF
Publication page1d2a58b1fb6031f43995033cb362e1520ca09483d80759a947e1443da16ded62
Manifest987675c97663d631c55b952140daa0e0157e188d406c7e1f59a81e266beeda0f

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
Signature2ZLAvQYCsJ2jDP85ic/fdGT/gF3DW/GySfTmwNIGb1TUh2YHHmOqRnQyXg+jzqzfL3ZWb/X1uptxZocP0JD0Bg==
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

2026-09-17T10:26:19.529267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070491
observed 1d2a58b1fb6031f43995033cb362e152...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:19.510357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070491/manifest.json
observed 987675c97663d631c55b952140daa0e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:19.494205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070491/publication.md
observed 2c7966c2e8bd53b96d6818adb4778a3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:19.477030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070491/publication.txt
observed dbc76c514acf9fe0af251a04bd60fa7f...
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.