OpenTechnical

OT-2026-000073036

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-2026-000073036) never changes.

Identity and time

Publication numberOT-2026-000073036 · never reused
Internal UUID01a0ae92-c816-75ac-8a3b-d21722c760f0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073036
StatusPUBLIC

Content hashes

Canonical text58b871c8cfbb8ea0a84b824361c185abb7bc80396bef31d96a75486bb4ffb5a4
Markdown9987009edafaa4c09eaf0e2b19364f6904b5c4dc577fa6c7810e35fc0cffa760
PDF
Publication pageb6746a47a14eaa4823043fcf360dfd2b4fca753d258b6724773390cf9764be30
Manifestf12f1dacd8e9498f4468fd43bb4d299ef86952092bfb3ed8d8e0d6847012284e

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
SignatureiT8wV9F16rWG/fsyD+XVAYlZFzMP9EqAwTHECoeA/XVpYQDmRiX36DfAOCzQt5goXN4rZpcvvBUsKyvTxZfLCg==
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

2026-09-17T10:21:58.666942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073036
observed b6746a47a14eaa4823043fcf360dfd2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:58.649307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073036/manifest.json
observed f12f1dacd8e9498f4468fd43bb4d299e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:58.631858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073036/publication.md
observed 9987009edafaa4c09eaf0e2b19364f69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:58.614617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073036/publication.txt
observed 58b871c8cfbb8ea0a84b824361c185ab...
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.