OpenTechnical

OT-2026-000068122

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented after 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-2026-000068122) never changes.

Identity and time

Publication numberOT-2026-000068122 · never reused
Internal UUID01a0ae8f-c4fe-77e7-a477-aa71d64d10b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068122
StatusPUBLIC

Content hashes

Canonical texta6d38ef0fd2047202ed1d328baa025a133a4c4d5bccdef9d3473240283db524e
Markdownf6452157eb57e044c0203b87d02e2242060d6fbccbdc57b5c7e1ec05ae20814c
PDF
Publication page29e49d2601499cd8c6b818854e5180aee0b8c37d43d9b00b5b52c3a7eb1fd138
Manifestc41577dbd5b44c390b2f01fbd53cdd77686d5a2401593351ec3bbda3faecc7c7

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
SignatureQcoyyVeqINuLZdMbhqWSs+B0rDA/7+vNrdf/xazdAuGSDBHGMdCDAcrB5Z2TvNBq1RYK+q0yqNZzwweVXEC9BQ==
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

2026-09-17T10:30:45.629709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068122
observed 29e49d2601499cd8c6b818854e5180ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:45.611070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068122/manifest.json
observed c41577dbd5b44c390b2f01fbd53cdd77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:45.591852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068122/publication.md
observed f6452157eb57e044c0203b87d02e2242...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:45.572872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068122/publication.txt
observed a6d38ef0fd2047202ed1d328baa025a1...
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.