OpenTechnical

OT-2026-000066949

Publication integrity record

Four cup vacuum gripper, four 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-2026-000066949) never changes.

Identity and time

Publication numberOT-2026-000066949 · never reused
Internal UUID01a0ae8f-14fd-71ae-bbd3-aca4cb11dd06 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066949
StatusPUBLIC

Content hashes

Canonical textb416c3f70e45c8f672dbf417f86d4b75f837fb1546c5dc23dba8f9efe0fd2fff
Markdown4a0c9e0a454a01f0b96d9c0392decdcf3b2d7c71179c6e9a5c42d7ff26f5041b
PDF
Publication pagea2a6d403b7c9d7207903e7522155c9a72002c1dd89fe54c30f45148f49412ea5
Manifestb3b33ff0021ce4f2604da59dfabc819d5d9911aa2c18b8439e954cff2ec91acc

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
SignatureumJF6O+zmlno7QJxSorBheboHP9T53Cl3ry1JaVhbDRn8NH2yvkW+ihCZe5XaMu9dV7PyEi+KD3AJ3KHTkPiDQ==
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

2026-09-17T10:32:09.810407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066949
observed a2a6d403b7c9d7207903e7522155c9a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:09.792458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066949/manifest.json
observed b3b33ff0021ce4f2604da59dfabc819d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:09.775546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066949/publication.md
observed 4a0c9e0a454a01f0b96d9c0392decdcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:09.758295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066949/publication.txt
observed b416c3f70e45c8f672dbf417f86d4b75...
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.