OpenTechnical

OT-2026-000070108

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, 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-2026-000070108) never changes.

Identity and time

Publication numberOT-2026-000070108 · never reused
Internal UUID01a0ae91-1861-7acf-ba12-0578ae1a3233 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070108
StatusPUBLIC

Content hashes

Canonical text59615e9ca1b9e83fe259b19774fe48ea8610a7210e0dddcaa45447f1e38b4a3c
Markdownaa415d0f3798b9f6e576dd9ec708189de6a2b14137264c31a1091e91b6757a66
PDF
Publication page3f34428303bda1728a08985ee0309f1a9a5ec0f98a75f4b866b50a6f4f5ca73f
Manifestda88d17f3e54bf4736b5e3ee045dcf9854a3cde2643646ca86ec032bb963efa7

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
SignatureqHcsWGtnhSBNqB5PkzPSKxMrTRfaNkJc9FuWVyCV2cxiiI/5fqHucipSM6aMh40nwOTBDbWyBIx/f4mjEz4mAA==
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

2026-09-17T10:27:04.818752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070108
observed 3f34428303bda1728a08985ee0309f1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:04.801895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070108/manifest.json
observed da88d17f3e54bf4736b5e3ee045dcf98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:04.782885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070108/publication.md
observed aa415d0f3798b9f6e576dd9ec708189d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:04.764228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070108/publication.txt
observed 59615e9ca1b9e83fe259b19774fe48ea...
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.