OpenTechnical

OT-2026-000027749

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained 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-2026-000027749) never changes.

Identity and time

Publication numberOT-2026-000027749 · never reused
Internal UUID01a0ae72-a4a4-774e-ab86-c7c06c879991 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027749
StatusPUBLIC

Content hashes

Canonical text1c19349fc2944e0218f150e9e479e8569fe9665cd2f7c968a6c1c9240a07c42a
Markdown38c2599bebc8bf359df4ecf8c72dd0306c3bd4b650b1f93a418bee57f37395e5
PDF
Publication paged5dfaee15c8d66ec772fbc34f7c910e8ca146876e358ceb6a32d88c422fa2891
Manifest9e7b7a0fb06b7ecad276369571fe1cd5f4bf4265540b0183c5ec5071186e8bcf

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
SignatureXJaGugyVWmSiNcLlEZUGhuoROPe2rWSeOl/orIBuxQamfQgLjinTbLATYHLL13KXnUjKzz4/FuignyJUCB87CA==
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

2026-09-17T11:41:47.283129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027749
observed d5dfaee15c8d66ec772fbc34f7c910e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:47.264986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027749/manifest.json
observed 9e7b7a0fb06b7ecad276369571fe1cd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:47.247717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027749/publication.md
observed 38c2599bebc8bf359df4ecf8c72dd030...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:47.226291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027749/publication.txt
observed 1c19349fc2944e0218f150e9e479e856...
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.