OpenTechnical

OT-2026-000015245

Publication integrity record

Single cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000015245) never changes.

Identity and time

Publication numberOT-2026-000015245 · never reused
Internal UUID01a0ae6d-ef48-7232-87c6-185dab37e851 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015245
StatusPUBLIC

Content hashes

Canonical text76ec89d9d7cf4e383df4f0b82ae4b64d90b1d6b5d1390ed1c45028285aae7584
Markdownf03a60c7983d75d2fb5c01f416b78a1dcff316f9d3441748e4edd083184da1ef
PDF
Publication page8ad947f399b3c1d4eab296dd55b101f2efb4f4bdf649b84c1d64d83c4e5712b9
Manifestbb45b07536d17ff58cc91f65b3dde4b4f5dff0255f1b2b72b5cbc9ad4be5284a

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
Signature+tNAumWY6KXgiMeFmipCDoR66SkU+QJl1L88Pa+8smLnmahnCXtWAXqUdgiDwaJE8E7jknYIspDlmC/jRe8fDQ==
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

2026-09-17T12:05:53.497029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015245
observed 8ad947f399b3c1d4eab296dd55b101f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:53.477828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015245/manifest.json
observed bb45b07536d17ff58cc91f65b3dde4b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:53.455060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015245/publication.md
observed f03a60c7983d75d2fb5c01f416b78a1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:53.435766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015245/publication.txt
observed 76ec89d9d7cf4e383df4f0b82ae4b64d...
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.