OpenTechnical

OT-2026-000072121

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, two 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-2026-000072121) never changes.

Identity and time

Publication numberOT-2026-000072121 · never reused
Internal UUID01a0ae92-47c1-716e-a5a7-38b068de1191 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072121
StatusPUBLIC

Content hashes

Canonical textc2e816431c3136fed87fcad09e58f761e8dcf6ccf60a9e15577f89ebe566d8c3
Markdown28231e74ca82f87842c4cc71b39c8230ef168a152a3ab478a391ab3075c967c3
PDF
Publication page66a99e83d4b9eae057331c3b9ae9da542031a60fa554e516cd1a8eb8d5656ef4
Manifestb81895767792810f40289dbe11523ae62ca0e7204974f975ec4f6655d4538861

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
Signature/SAAmNGX6kQOXk+ZB8l2opshBCCa7p6quMh3yeho/OkJEg2m9nU3fV99pp7y3siurmISiRblU091ENpROXYWBw==
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

2026-09-17T10:23:12.604469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072121
observed 66a99e83d4b9eae057331c3b9ae9da54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:12.586889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072121/manifest.json
observed b81895767792810f40289dbe11523ae6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:12.486385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072121/publication.md
observed 28231e74ca82f87842c4cc71b39c8230...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:12.466655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072121/publication.txt
observed c2e816431c3136fed87fcad09e58f761...
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.