OpenTechnical

OT-2026-000077597

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, 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-2026-000077597) never changes.

Identity and time

Publication numberOT-2026-000077597 · never reused
Internal UUID01a0ae95-2ece-7e89-a5f6-243a2cd3ebdd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077597
StatusPUBLIC

Content hashes

Canonical text0c6cd67635010fba652846b520e7b6ac795912d3c006830d1c7897ac3ffcc8b4
Markdown65213664f814d69d8e24b0ea52b874beea31ff6e13c7ea064424bf423c95c2c9
PDF
Publication page8211b7cb52b3853a60c1596767144f40c44aa6e85cb814690e269296a3243d86
Manifesta1ffef1b5529d3683052247ff10fe907b75a014da66595ec6821929b7fe80009

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
SignatureVOCa7gTxx/D47cq7GD0XcfZA5Uy98dTtZbVWIC1MJnGPgE4nsOzDGkLBfVQUmq8VBEd1Qnno++MSWOKN2xXiCA==
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

2026-09-17T10:07:09.081212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077597
observed 8211b7cb52b3853a60c1596767144f40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:09.061211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077597/manifest.json
observed a1ffef1b5529d3683052247ff10fe907...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:09.032561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077597/publication.md
observed 65213664f814d69d8e24b0ea52b874be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:04.684021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077597/publication.txt
observed 0c6cd67635010fba652846b520e7b6ac...
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.