OpenTechnical

OT-2026-000078500

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, vented after 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-2026-000078500) never changes.

Identity and time

Publication numberOT-2026-000078500 · never reused
Internal UUID01a0ae95-7c29-7f0c-9af7-1b7130527252 · 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-2026-000078500
StatusPUBLIC

Content hashes

Canonical text4c064da04e04640292af7c9abd6216d27cebea27eb98a11eed645edd13519be7
Markdown0a824e67ed345c64a7dda44400c0c1f3ad3da9c9d24cfbf8c81cd623b9e6aa42
PDF
Publication page55cd752b9df14787ad06746cc69dccacab73554f0c2e1741a9a44877511bae5c
Manifest2a5e64ef707732c906c7f6a475ba9d73490e5c8216ab5cdc0e50fc0e4ac4eeef

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
SignaturerkLgObLy5LjqERh0/lU8bfuwMMtnPvh54ObiLhmQEvYFLEC5WMqxjPhcbRZeyNTU0UfIwsrjTmb9t29nb5TWBQ==
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

2026-09-17T10:06:30.722335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078500
observed 55cd752b9df14787ad06746cc69dccac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:30.701778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078500/manifest.json
observed 2a5e64ef707732c906c7f6a475ba9d73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:30.683963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078500/publication.md
observed 0a824e67ed345c64a7dda44400c0c1f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:30.666209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078500/publication.txt
observed 4c064da04e04640292af7c9abd6216d2...
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.