OpenTechnical

OT-2026-000022053

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three 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-2026-000022053) never changes.

Identity and time

Publication numberOT-2026-000022053 · never reused
Internal UUID01a0ae6f-bb5c-75f0-8d72-23a7322fbb05 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022053
StatusPUBLIC

Content hashes

Canonical textdce1688ae980b61578b788ead85f242b6352f9382eb79f6e586705f93ac42eee
Markdown8c854563c61c6adf8af98c2d16ca52d1db585f91e61bb04e11872caa843af18c
PDF
Publication page4d1f104488e822378917690baa604a4a0714b6979be2ff9d8b1f95c0daefa5e2
Manifest9b479e8ccd4518228dbe7141e14e76d56bde344c42e54beb912e68f11292c773

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
Signature2N+1/emheseTz77IHSJL6yDsBDYdJskNAmXkpTgH78E6D0eOU9Be3dA7NVjZJ8INxCSx780gKc5nG17qpqMWCg==
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

2026-09-17T11:54:44.776162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022053
observed 4d1f104488e822378917690baa604a4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:44.757858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022053/manifest.json
observed 9b479e8ccd4518228dbe7141e14e76d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:44.740278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022053/publication.md
observed 8c854563c61c6adf8af98c2d16ca52d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:44.722558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022053/publication.txt
observed dce1688ae980b61578b788ead85f242b...
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.