OpenTechnical

OT-2026-000077036

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, vented 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-2026-000077036) never changes.

Identity and time

Publication numberOT-2026-000077036 · never reused
Internal UUID01a0ae94-b071-7cd7-9436-03d5a6156084 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077036
StatusPUBLIC

Content hashes

Canonical text3ce4629693682879f36a8c6ffc11970cc683819e5adf06a3ebfdb098e4d31130
Markdownbc4f63a516a834f7fb9b627db343e1459cce77d5785af1de1e40cef49111cbb8
PDF
Publication page10069c1df8c4bcf0020395672bf072e19d2dc3d267b464258a8edcb6e404d31a
Manifestdaa2434b632158a95f86bf296d205e19b875498d47d379d2bade8b0f8db31f6f

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
SignatureFqtqK4s43OPIt58494dyTCECu16YEF8b6/LvEUnf7ACrxuNzFSzSpwZo0++Ix1l0T3rtVZYtz/guTXq0Auq4CQ==
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

2026-09-17T10:10:27.722342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077036
observed 10069c1df8c4bcf0020395672bf072e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:27.703126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077036/manifest.json
observed daa2434b632158a95f86bf296d205e19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:27.561717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077036/publication.md
observed bc4f63a516a834f7fb9b627db343e145...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:27.542353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077036/publication.txt
observed 3ce4629693682879f36a8c6ffc11970c...
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.