OpenTechnical

OT-2026-000045438

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off after 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-2026-000045438) never changes.

Identity and time

Publication numberOT-2026-000045438 · never reused
Internal UUID01a0ae7c-f76d-77c5-8d40-9afd1dc6c373 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045438
StatusPUBLIC

Content hashes

Canonical text7e33c8e45d987b78627e7813a51507c98b5fb33d957a12b3ced47ef895a8c21b
Markdown88b2e118b996f2f033f0ce752e96fead12b5d6cd6cb89665f3432335f2f1494a
PDF
Publication pagee3f09ca1b11d91341259dba4bd302836c051df10852d3de57604ade9333f5746
Manifest7186ac409d5be493b4f416ce4591aa847579a6b542612eab5be4ae172d13325f

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
SignatureHAcFJje7OYYjdwirY2NFhWQ2rLzoPLkFFbG7kYSgNaUeacJ8VsW0VAc23/LWCuhlziY35HcARUqyVtkDfyxSAA==
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

2026-09-17T11:10:44.163372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045438
observed e3f09ca1b11d91341259dba4bd302836...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:44.144629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045438/manifest.json
observed 7186ac409d5be493b4f416ce4591aa84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:44.124780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045438/publication.md
observed 88b2e118b996f2f033f0ce752e96fead...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:44.106897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045438/publication.txt
observed 7e33c8e45d987b78627e7813a51507c9...
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.