OpenTechnical

OT-2026-000078640

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, vented after set-down

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-2026-000078640) never changes.

Identity and time

Publication numberOT-2026-000078640 · never reused
Internal UUID01a0ae95-7c2a-758e-9724-036e794f4913 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078640
StatusPUBLIC

Content hashes

Canonical textb93212be11ce949b0b9c808cdd87559b981796301510d34c13f87a32caca112f
Markdown45ad5f481ce32eeee2d19d73537f295ec5af186f371579c15c7461a9d24713fb
PDF
Publication page5fe82945a4b7c34860fbd79cfd3f9836b3d5444564282cc1455a0fa3339655c0
Manifest7b3d6d58b2757c170046c1decf396bde53fe34136fd123c33003d84955c23eca

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
Signature6RutI2k5kORp7TYpVBOa9peN4nRDlo6Pfg3ESE36flfAVP3nup02MwIEYN/UKWM7GITF4Etb72W4NdeoKABGAg==
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

2026-09-17T10:06:40.997899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078640
observed 5fe82945a4b7c34860fbd79cfd3f9836...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:40.978483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078640/manifest.json
observed 7b3d6d58b2757c170046c1decf396bde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:40.960655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078640/publication.md
observed 45ad5f481ce32eeee2d19d73537f295e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:40.942206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078640/publication.txt
observed b93212be11ce949b0b9c808cdd87559b...
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.