OpenTechnical

OT-2026-000077403

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000077403) never changes.

Identity and time

Publication numberOT-2026-000077403 · never reused
Internal UUID01a0ae94-f509-7d8b-af51-c7a38ad75a03 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077403
StatusPUBLIC

Content hashes

Canonical text4ea6297a338575b83d5610d80b046fba1419fda7388456596aabbd59d59fbf4e
Markdown4d9c90bb077f09e34ef1f373dc791b30998e3c84fd60d6ae9761596355b17f14
PDF
Publication pagef814e835a29ad3c1a591bc06f063b302e99355bf21627fabc6bce33c81283675
Manifest83933dd9d9c82d684f2b03b5d33190a7458c567388dc6f711b072b074dca76f2

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
SignatureIqwcIQZI6KFy8smsqIferihdQsAwqwnXNeLDsA0SiKHuz16bL71MPFbztNxSMt/x/3e6Y/4VSG5PzCSxd2quDg==
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

2026-09-17T10:09:03.132674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077403
observed f814e835a29ad3c1a591bc06f063b302...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:03.115394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077403/manifest.json
observed 83933dd9d9c82d684f2b03b5d33190a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:03.096964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077403/publication.md
observed 4d9c90bb077f09e34ef1f373dc791b30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:03.077580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077403/publication.txt
observed 4ea6297a338575b83d5610d80b046fba...
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.