OpenTechnical

OT-2026-000058641

Publication integrity record

Six cup vacuum gripper, six 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-2026-000058641) never changes.

Identity and time

Publication numberOT-2026-000058641 · never reused
Internal UUID01a0ae88-f39d-769b-9e2f-7acd2e6f5530 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058641
StatusPUBLIC

Content hashes

Canonical text28d100550b0c4e6227f18a2b169addb924e939e468403856e7a6230e4ffb3049
Markdownad55f6650c561187d7c05e3d6025209ce1dac6ff219cf60c8420fbc887dc8f19
PDF
Publication pagee980c1bf7aedfd1cba2e0c3b6d9135225bfa885e7b00ecf5b013b2a1740c3a99
Manifestc15399ec1050b24cdf634c65e0a1dd69fcbb637b8172ca938bc2dcda6c0a6ee1

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
Signature+PKdldeMkxaB3iFJ44Tit3tpS82b1nMkDZapO9gP0fPUp5ThY13r1VRhB375bZ2tePz1fG55VArDQn5dXtTeAg==
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

2026-09-17T10:47:09.134099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058641
observed e980c1bf7aedfd1cba2e0c3b6d913522...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:09.115392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058641/manifest.json
observed c15399ec1050b24cdf634c65e0a1dd69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:09.095290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058641/publication.md
observed ad55f6650c561187d7c05e3d6025209c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:09.075648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058641/publication.txt
observed 28d100550b0c4e6227f18a2b169addb9...
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.