OpenTechnical

OT-2026-000053634

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, vented 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-2026-000053634) never changes.

Identity and time

Publication numberOT-2026-000053634 · never reused
Internal UUID01a0ae85-0a95-7c4f-abed-87b3c44aac54 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053634
StatusPUBLIC

Content hashes

Canonical text0cd9098da0ff25c863eacb13cfcae94e4b6bd35120a47162d10b029befebfb4c
Markdown43eafac041bce5592fde072f92806714448febc77021a1cf562edfd95b15b4c5
PDF
Publication page7eb53aa60880f1662c69fa7dc24302ce3577abbe7ae6be30905f6136df793ddb
Manifestcd8c129b0fdcbd420e0c648d95a9e9153b0208ab89992fa8e30b6d7184618153

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
Signature3kuHHi9N8Twf4WsPebKMWJSu0WpRLxQl0VuxTwa2e1X4r0IGRVLOsG9GeV+Qp1mIuHP6QQSUpawDb3Egu/ksDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:55:30.987137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053634
observed 7eb53aa60880f1662c69fa7dc24302ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:30.970109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053634/manifest.json
observed cd8c129b0fdcbd420e0c648d95a9e915...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:30.952780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053634/publication.md
observed 43eafac041bce5592fde072f92806714...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:30.935267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053634/publication.txt
observed 0cd9098da0ff25c863eacb13cfcae94e...
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.