OpenTechnical

OT-2026-000059246

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, 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-2026-000059246) never changes.

Identity and time

Publication numberOT-2026-000059246 · never reused
Internal UUID01a0ae89-8613-7ee3-92cb-9339748ef76f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059246
StatusPUBLIC

Content hashes

Canonical text2d1ede5e2c2d6451aa68d1eabe8562403d51c267d3c95d7a188fb3361c0daf4b
Markdown9785394a008dbc1007566d4d1b309a7327216bee285b0380e230b0f96b01d127
PDF
Publication page6718ce531a64fce7ed614e3a4f18ab0c049c86621218695e5e0e4cf96bb0a8a8
Manifest9c3f3ea16da80f989f8b60c1ca20bc0a1225f6e3a2450337dce7cd4075c451ae

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
SignatureQbk9E/cBqxg1XcbPK0hIVVQCJAO8dWOO6JEHqOG07MZvGySg0u/ArRYtnZa+fDe5v27yBJXDtJ8Zdi5/9L32CQ==
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...

Independent retrieval

2026-09-17T10:45:47.162777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059246
observed 6718ce531a64fce7ed614e3a4f18ab0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:47.145829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059246/manifest.json
observed 9c3f3ea16da80f989f8b60c1ca20bc0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:47.003644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059246/publication.md
observed 9785394a008dbc1007566d4d1b309a73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:46.986038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059246/publication.txt
observed 2d1ede5e2c2d6451aa68d1eabe856240...
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.