OpenTechnical

OT-2026-000008602

Publication integrity record

Single cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off 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-2026-000008602) never changes.

Identity and time

Publication numberOT-2026-000008602 · never reused
Internal UUID01a0ae6a-e46b-7f75-a225-829b885ccce4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008602
StatusPUBLIC

Content hashes

Canonical text40ca83921408991fdaf9bf89e7d1f28615992da80a35b42440fb5d58118e8fba
Markdownc1f7baeaab6cb9d4c7e7cec01c51a54ea1e0931a5b4f6d0378f2486a436487f4
PDF
Publication pagea1e52ef7aae809d7a59fc3e51df77426c7e64f3d521e0719ae7834a4e2ae4fc1
Manifestdc40d4fa5dd5d665ac606a766e81352bda9475902916250e0bbf0966a1c31391

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+dDtxJ1Z6pNIU3aRb8T/yoxi5kL9VYDtyBO4Ki3wujU05vhVCmA/J5016BSDgzyV6J9uBuTNgMdxVf6w/0mPCA==
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

2026-09-17T12:18:05.710135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008602
observed a1e52ef7aae809d7a59fc3e51df77426...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:05.689927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008602/manifest.json
observed dc40d4fa5dd5d665ac606a766e81352b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:05.650989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008602/publication.md
observed c1f7baeaab6cb9d4c7e7cec01c51a54e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:05.525469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008602/publication.txt
observed 40ca83921408991fdaf9bf89e7d1f286...
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.