OpenTechnical

OT-2026-000013079

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, 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-2026-000013079) never changes.

Identity and time

Publication numberOT-2026-000013079 · never reused
Internal UUID01a0ae6d-5565-7606-b56a-a5268ebd5ed7 · 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-2026-000013079
StatusPUBLIC

Content hashes

Canonical text93f3c19f06c934ac73aa31bd57a4fe9c45801c4970becbe8012333feb0b82d5f
Markdown93000ce707cdb3c6c1819e3dbdd3768d68793c81d28e100366977e1c384a0a82
PDF
Publication page912721f2ca786bc2fbf12166128dee89e55282f01b49c8e8ee0514ccbab9987f
Manifest8e481fa079471a9d24dca9d7db94e7b5e25c2a0cd61bc6828f088c97daeb9729

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
Signaturez9Qj1U0bUjzjtwNqLQA+DoX/ObDfCpEc207OOiNe3WuOzk8MmA85WCNq+Vd1tG66MDVXz2I1642PtmRuqbzOBQ==
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

2026-09-17T12:10:55.389378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013079
observed 912721f2ca786bc2fbf12166128dee89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:55.369894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013079/manifest.json
observed 8e481fa079471a9d24dca9d7db94e7b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:55.351739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013079/publication.md
observed 93000ce707cdb3c6c1819e3dbdd3768d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:55.330856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013079/publication.txt
observed 93f3c19f06c934ac73aa31bd57a4fe9c...
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.