OpenTechnical

OT-2026-000076161

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, single stage ejector, pressure sensor per zone, 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-2026-000076161) never changes.

Identity and time

Publication numberOT-2026-000076161 · never reused
Internal UUID01a0ae94-6a6f-7747-bae5-4e66d09f079a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076161
StatusPUBLIC

Content hashes

Canonical text4d274b6b5e52a67fbb3d8d1c3c75a8a55db9cd806f181986238e75d80b3bbc87
Markdownf58b93b497f476a269747e400e0448cdb44cdd9555f7dd7902406fa7b6b3f18f
PDF
Publication page11ebc7013960ae50ebd5528e4195fb0e534db8c36561d85b30dcf68e24ef6a62
Manifest1997e89c7ef839e3d1c2faed8679616733ca480c52678cb986b4e60db3ff7231

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
SignatureCqsZI9y4LHRLP5Hs+Up02uNE3g+sALRrX4rdyC/DwPbevL4JJEZL9S7/ModiPxyTJx1Upg5BSx5kJB77ZbcqDg==
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

2026-09-17T10:11:21.279360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076161
observed 11ebc7013960ae50ebd5528e4195fb0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:20.806215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076161/manifest.json
observed 1997e89c7ef839e3d1c2faed86796167...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:20.787802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076161/publication.md
observed f58b93b497f476a269747e400e0448cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:20.771108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076161/publication.txt
observed 4d274b6b5e52a67fbb3d8d1c3c75a8a5...
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.