OpenTechnical

OT-2026-000056194

Publication integrity record

Foam pad vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000056194) never changes.

Identity and time

Publication numberOT-2026-000056194 · never reused
Internal UUID01a0ae87-4bd1-7e4d-a41e-b2be266ef410 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056194
StatusPUBLIC

Content hashes

Canonical textf84bf36a13541045793cf20e01d62bf49ccd4ed1eb810f7ec49ed704a40cf31f
Markdown06c61de651ee9bfb4383ad4efa41ba03406affe9d1b03c21ee159012bdd801ac
PDF
Publication page39ff76ff357aa393b56983348c820788b4efa43e4a1d79392dd9825069e35da3
Manifeste791dc71f3abd3bfaabc061c5ee20e34bc8f0a7c634b8641ee652b0b4318eaa7

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
Signature43s1ZKxzlLeKcJjRtJp+XpXTeTdAAaWwqsbctOo83plgFjThgCkKNbX0BM1nczgR4ejlD6naQk4ft59Ki0/kBw==
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

2026-09-17T10:50:39.504602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056194
observed 39ff76ff357aa393b56983348c820788...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:39.485684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056194/manifest.json
observed e791dc71f3abd3bfaabc061c5ee20e34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:39.467728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056194/publication.md
observed 06c61de651ee9bfb4383ad4efa41ba03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:39.449422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056194/publication.txt
observed f84bf36a13541045793cf20e01d62bf4...
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.