OpenTechnical

OT-2026-000012839

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, single stage ejector, 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-2026-000012839) never changes.

Identity and time

Publication numberOT-2026-000012839 · never reused
Internal UUID01a0ae6d-5563-775c-89ac-fdb475cd8a3c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012839
StatusPUBLIC

Content hashes

Canonical text2c6bde8a4b0b59a23a05bed07771bffc573e7fb0d90d9f3fae2cc62a7010af12
Markdownc801826466e4aed42ed1800fb2968995d0e365152bb5c9b4ca3a992b04b5bdd4
PDF
Publication pagea9f8a89373f0c91ac6876de96257e4747fea54d3d19b5525ce05449ba8314fe1
Manifest194e2b3a67f8ca605d8c633b1d6b24850dfd298befbda163e628146e91675bfe

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
SignatureF6NN3WWXBihdw7r4oxtq21DIbk+W/hXQGMrxYVsNd5VlkhYTF5DVnipxa1yNJXpZxA0hyqnonZuyXO/431bADw==
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

2026-09-17T12:10:36.330376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012839
observed a9f8a89373f0c91ac6876de96257e474...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:36.309813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012839/manifest.json
observed 194e2b3a67f8ca605d8c633b1d6b2485...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:36.288946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012839/publication.md
observed c801826466e4aed42ed1800fb2968995...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:36.267168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012839/publication.txt
observed 2c6bde8a4b0b59a23a05bed07771bffc...
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.