OpenTechnical

OT-2026-000086237

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, sustained 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-2026-000086237) never changes.

Identity and time

Publication numberOT-2026-000086237 · never reused
Internal UUID01a0ae99-e82c-7cef-a502-3204168f890b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086237
StatusPUBLIC

Content hashes

Canonical text860eb26804e6cb744d075a5f4795d109f20c786909ca7dd597d2a31dba9babdc
Markdown7717e67bf9724dff089749b351a18674babfa638005b9dd463578106f1c7402c
PDF
Publication pagef52314da9ad3e2f1725413bc0a3e8d10e91f496977af06ce1312d1561d8c5999
Manifest081703f554e650a50aa60900cd7e52732667d3dadb985920117bafe8e07247f0

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
Signaturei4d6yEShu7czWivJ2eZtro/2Ii/eeGTvoZLc+bl9xFuys7pDm6TUniM6iRRBPc84m4hjdoCU/rCO3CQCL3f4Cw==
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

2026-09-17T09:53:55.528106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086237
observed f52314da9ad3e2f1725413bc0a3e8d10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:55.510974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086237/manifest.json
observed 081703f554e650a50aa60900cd7e5273...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:55.493468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086237/publication.md
observed 7717e67bf9724dff089749b351a18674...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:55.475878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086237/publication.txt
observed 860eb26804e6cb744d075a5f4795d109...
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.