OpenTechnical

OT-2026-000074636

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000074636) never changes.

Identity and time

Publication numberOT-2026-000074636 · never reused
Internal UUID01a0ae93-ac2a-7afb-8473-4f66c6b1b1b6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074636
StatusPUBLIC

Content hashes

Canonical text8b7332635833b6cd0f4140b4d7a8e1949ec1ad7805a25efbe9bc42f7ef49f76b
Markdownf8e9dc51a5481db310328ea575fd15cbded5d3990fafcb7d1ea9d0caeb53a24b
PDF
Publication page052fbb846ffbbdc4ecf358e51d20a7301e359273db2707a4ec0e8d76198c2fe0
Manifestec43248564f7dc66ae6eca57795211ab45a568d80fed4574249be567472fd7e1

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
SignatureixoLIoBlgJdm62+2WeNASmDoNWfOF00ggLQWqmRkeTk1xmCBGJJ38qRH6oMu7hqPwX3+ziJKySFYHJavhTPbDg==
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

2026-09-17T10:18:12.414675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074636
observed 052fbb846ffbbdc4ecf358e51d20a730...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:12.384864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074636/manifest.json
observed ec43248564f7dc66ae6eca57795211ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:12.360715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074636/publication.md
observed f8e9dc51a5481db310328ea575fd15cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:12.337469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074636/publication.txt
observed 8b7332635833b6cd0f4140b4d7a8e194...
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.