OpenTechnical

OT-2026-000032885

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, pulsed blow-off 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-2026-000032885) never changes.

Identity and time

Publication numberOT-2026-000032885 · never reused
Internal UUID01a0ae75-4842-728d-9aaf-8188062920bd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032885
StatusPUBLIC

Content hashes

Canonical text9cfc57e4c0431bb19180844f318a9fdfd870d29c7b2262d978b92d5e117dbcbf
Markdownb60e92d9ed929ddf60a99faedfbdef356ffd8f6eadc8a4e93b29b520cf85a1e9
PDF
Publication pagef146e550b911bbe8963a9e011a16e3948cc35e2c1c035c1d7d673f995aa53344
Manifestfc0264daafcfe25741ca5099ca6faba5938f59107ffc0ce49697242e7ba0f75a

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
SignatureC021BODQi+TDxzr+fALADYJSDmo0M4PKZkzAAerfyRhSMNcwW8vXkZwmzDiC0tfPczY5DZ/amolATy8y9GiTBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:32:28.068075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032885
observed f146e550b911bbe8963a9e011a16e394...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:28.051070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032885/manifest.json
observed fc0264daafcfe25741ca5099ca6faba5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:28.028925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032885/publication.md
observed b60e92d9ed929ddf60a99faedfbdef35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:28.009886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032885/publication.txt
observed 9cfc57e4c0431bb19180844f318a9fdf...
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.