OpenTechnical

OT-2026-000062877

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000062877) never changes.

Identity and time

Publication numberOT-2026-000062877 · never reused
Internal UUID01a0ae8c-94a8-75c1-8650-c4a801bd08a1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062877
StatusPUBLIC

Content hashes

Canonical textfdee455eb3536e78871516f8baad326776336289063744b74470c1478fedd215
Markdown81dfa5991dfd9978cebc17d002d4c9d6e83a7826a3753894fd05afc83c3266d6
PDF
Publication pageefc734e0a7798a23822f193a8317f287d88f740bd6a21424c0f19699ca477168
Manifest80d0a0a12782bee3ef33f68b15aeb3a5c8201ac29921e52a41e53ff60c4766bb

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
Signaturek/bZP1ucneAaG93ZYAk0PrORudRImik8VPQvw6avuqXjuMZ6BMMPZkcbNqaOHQ3hKfk6Gd6bTgYh0x0YsX0rBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:40:14.182873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062877
observed efc734e0a7798a23822f193a8317f287...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:14.161911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062877/manifest.json
observed 80d0a0a12782bee3ef33f68b15aeb3a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:14.142111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062877/publication.md
observed 81dfa5991dfd9978cebc17d002d4c9d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:14.120317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062877/publication.txt
observed fdee455eb3536e78871516f8baad3267...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:34.787260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062877
observed efc734e0a7798a23822f193a8317f287...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:34.771291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062877/manifest.json
observed 80d0a0a12782bee3ef33f68b15aeb3a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:34.752880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062877/publication.md
observed 81dfa5991dfd9978cebc17d002d4c9d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:34.738024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062877/publication.txt
observed fdee455eb3536e78871516f8baad3267...
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.