OpenTechnical

OT-2026-000057910

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold 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-2026-000057910) never changes.

Identity and time

Publication numberOT-2026-000057910 · never reused
Internal UUID01a0ae88-6ed9-799d-9768-64c4504e6ef2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057910
StatusPUBLIC

Content hashes

Canonical textccdd68a1ec6ef24327eb230d80e053c4ca920b074e87769a7dce69f738dd6e8a
Markdown7697d5e42446a1918d13e6f8eb2fc25b7fe3463033521156d49641727df29dac
PDF
Publication pagebe2af7630ccaf7b679b0df87c1c9994350759586d8720a37ed54f7fc649d218a
Manifestb51b97531ca4b9118aa5adc4267bb90ba55f4ed7e20bab8a6e6cee7fe2469ac6

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
Signature7WQQL/PM3Ohj4J4BuKCdEv5dzSb56Z6MrAPZaeFPMwDEKM1Rj8pLh6FIEWyavVshvyj+lxr96i4k28Y/3gFmCw==
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

2026-09-17T10:47:30.925210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057910
observed be2af7630ccaf7b679b0df87c1c99943...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:30.905656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057910/manifest.json
observed b51b97531ca4b9118aa5adc4267bb90b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:30.885848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057910/publication.md
observed 7697d5e42446a1918d13e6f8eb2fc25b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:30.865578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057910/publication.txt
observed ccdd68a1ec6ef24327eb230d80e053c4...
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.