OpenTechnical

OT-2026-000088450

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, pump fed, supply line pressure sensor, sustained blow-off 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-2026-000088450) never changes.

Identity and time

Publication numberOT-2026-000088450 · never reused
Internal UUID01a0ae9b-5d27-7aa3-8b4f-542a21f07490 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088450
StatusPUBLIC

Content hashes

Canonical textfe9f780952851855957954ad7cb71aa33b58fcf9a72650d8c3b3ef687a216fe2
Markdownc769608655fe60529331a2fa03d508daaff8cb608523afae50e25080f5e40915
PDF
Publication pageb88a5021eb2c0758c8be2cf81d7bb4c3537451b5e6dec1519b885aafb6cdc573
Manifest428b108c7b6c0fe2c266159bf584d401c3a134f3618e5dacac94d2ffac593f71

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
SignaturenV283F72ZjowDSnV4tc0vo2mkrukr7ozjJMEbsSukU/pywMunUlvlRyqgXaMZMPh/LLjHQqH3izsHNSxrLkOAg==
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

2026-09-17T09:48:49.744104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088450
observed b88a5021eb2c0758c8be2cf81d7bb4c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:49.724468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088450/manifest.json
observed 428b108c7b6c0fe2c266159bf584d401...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:49.706647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088450/publication.md
observed c769608655fe60529331a2fa03d508da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:49.689280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088450/publication.txt
observed fe9f780952851855957954ad7cb71aa3...
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.