OpenTechnical

OT-2026-000076663

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, 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-2026-000076663) never changes.

Identity and time

Publication numberOT-2026-000076663 · never reused
Internal UUID01a0ae94-b06f-766c-812f-d595848751d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076663
StatusPUBLIC

Content hashes

Canonical textb71bf05f6bf074d4bb10d934925c32f18ec2c30f5bd58683e68b0e546c57bd49
Markdown6974180db4e191f047604681e19ecf55e1ef083d637122587fca1300037a7512
PDF
Publication page0ac5498d1738909e810ce1a4e704b34329de0beb8e1773d5f92ee8c3c12e3778
Manifestd60394924e232c322c694211b8ee1013d478b3b83da6aa09d5fcf12ef989565c

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
SignaturejeNFk5lMHor1kHMiHVlBWK821fBDfWquSxmhnDrbn4jvOydtsmw35sxkVHbWpf33WrG6hyRh1dZsWZLvKYXWAA==
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

2026-09-17T10:09:24.523552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076663
observed 0ac5498d1738909e810ce1a4e704b343...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:24.505287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076663/manifest.json
observed d60394924e232c322c694211b8ee1013...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:24.485365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076663/publication.md
observed 6974180db4e191f047604681e19ecf55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:24.463217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076663/publication.txt
observed b71bf05f6bf074d4bb10d934925c32f1...
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.