OpenTechnical

OT-2026-000023761

Publication integrity record

Single cup vacuum gripper, common isolation valve, two 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-2026-000023761) never changes.

Identity and time

Publication numberOT-2026-000023761 · never reused
Internal UUID01a0ae70-aed5-72ce-8427-db626b53f29c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023761
StatusPUBLIC

Content hashes

Canonical text5a5c9ab4273848901afa3b8c3435336828fcba9313fe58725969bea5523942d0
Markdown8c4b91bc32c9918c2cba2fbc3eb50d3ee90dc42bdeebbae13a25bb05d5aab564
PDF
Publication page2a338cf8a381169af51f91e88d258206ae5a8539ddd10ed040c898094be6a196
Manifest6cb468a12b3acf5a44541d1eed93db5d2fd8c0e0a2cf273f52eb164284321f7a

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
SignaturegjCnbi+tIaZ4KzhdFnCBsCOKsok28EXmx3tDgO4+6q9EJq7qpJIThite06BpJ7mSQjjVIf+nCk6GvQllYJLHDw==
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

2026-09-17T11:50:07.021838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023761
observed 2a338cf8a381169af51f91e88d258206...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:07.000605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023761/manifest.json
observed 6cb468a12b3acf5a44541d1eed93db5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:06.981716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023761/publication.md
observed 8c4b91bc32c9918c2cba2fbc3eb50d3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:06.964438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023761/publication.txt
observed 5a5c9ab4273848901afa3b8c34353368...
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.