OpenTechnical

OT-2026-000008221

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, three stage ejector, supply line pressure sensor, vented 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-2026-000008221) never changes.

Identity and time

Publication numberOT-2026-000008221 · never reused
Internal UUID01a0ae6a-908d-7738-8365-44728df68e87 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008221
StatusPUBLIC

Content hashes

Canonical textee39dd5d083a5d801a585064d6d6891031730530277a2522b11159e996fca961
Markdown2d3a7c771fd1c6638b158530c14574f40d4d7bdbbb8320447dd5b23977b361e2
PDF
Publication paged05068c8c5f1a49ac0ebe361a845099a1901c6fead13633b02d5021644395474
Manifest4e2515e4633975a701599db5e21f10a501df8a080a0b29f377d52fc6aaf8438c

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
SignatureXz9q9JnWgFQwsURxTSIcI+SUkeXfflErb107NkpTijoLZARdiFmHRXbvWe5K3kdt7JDq0kT7jb9keqG8cwOAAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:38.194374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008221
observed d05068c8c5f1a49ac0ebe361a845099a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:38.174782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008221/manifest.json
observed 4e2515e4633975a701599db5e21f10a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:38.158057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008221/publication.md
observed 2d3a7c771fd1c6638b158530c14574f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:38.140512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008221/publication.txt
observed ee39dd5d083a5d801a585064d6d68910...
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.