OpenTechnical

OT-2026-000039103

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, pump 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-2026-000039103) never changes.

Identity and time

Publication numberOT-2026-000039103 · never reused
Internal UUID01a0ae78-9672-7e70-85e7-0a6fca188568 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039103
StatusPUBLIC

Content hashes

Canonical text875bce560d7c3ed19fe445947d1651b82e55e9e5a82a2fea078034c3157b1cbf
Markdown0582f68e9251b8e158afa0319e57a90ed13f665b47a2e2966de200cd9a875505
PDF
Publication page0548fd42d32c8487a0701230c37bd8a3fec31da8668d8fe2c556479dc2af802c
Manifest9dbc132595506808c3f26e974fe85bf1fcac0dc52f4f20d48e4cffb6a8ed01f9

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
SignatureFC/4usQ2vS0EPy2Dpx7uW16xBYM897T0AjKeZnJPk00afOyZZiXPT+k6u4gw5wLF9ZsOsjXUqYuu2SoOd7xZAw==
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

2026-09-17T11:20:35.461979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039103
observed 0548fd42d32c8487a0701230c37bd8a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:35.442218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039103/manifest.json
observed 9dbc132595506808c3f26e974fe85bf1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:35.424184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039103/publication.md
observed 0582f68e9251b8e158afa0319e57a90e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:35.406687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039103/publication.txt
observed 875bce560d7c3ed19fe445947d1651b8...
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.