OpenTechnical

OT-2026-000022461

Publication integrity record

Single cup vacuum gripper, single 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-2026-000022461) never changes.

Identity and time

Publication numberOT-2026-000022461 · never reused
Internal UUID01a0ae6f-f4fe-7212-ab15-31221b778276 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022461
StatusPUBLIC

Content hashes

Canonical text5fc342a048af794ec5b089e877edd1a35d9ee5ed204eff8b11ca6b79dd21dee8
Markdownda0316eff52449125b1dfdea3fe4fdc0c1bc89f2aa13e962d82eeeaecdc047fb
PDF
Publication page936ad6e55f98d4563dd77a867dbabfe939448fb0d4c64739e8e44c242b7fe1dd
Manifeste4ec6e1ff09aa048f26c2a7310c99337611fb722754f0548041c6bb3cba9ce3b

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
SignaturezU4XKAMKhWFRr283kJ8sQHyA41duBKCrDUB9E9e/zSKHdqoTJHd2F3YNw/Grb0P5urhhkGuQmVjwfUkoA2mkBw==
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

2026-09-17T11:53:51.650817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022461
observed 936ad6e55f98d4563dd77a867dbabfe9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:51.632403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022461/manifest.json
observed e4ec6e1ff09aa048f26c2a7310c99337...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:51.614952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022461/publication.md
observed da0316eff52449125b1dfdea3fe4fdc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:51.596859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022461/publication.txt
observed 5fc342a048af794ec5b089e877edd1a3...
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.