OpenTechnical

OT-2026-000101907

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, pump fed, 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-2026-000101907) never changes.

Identity and time

Publication numberOT-2026-000101907 · never reused
Internal UUID01a0aea4-50f1-7f94-b5bb-c8943074c056 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101907
StatusPUBLIC

Content hashes

Canonical text2553794d553c850d0b66d1178551e4ed42fb80c0f3df989e421252f7693a5fc5
Markdown7bef17adffbe127831dac6dc539501ac1e70035cdf569d8cc75a788ba76a4a06
PDF
Publication page53e355a5fd6ef3a8603c423a516f85855e0d434f986832d99458ea6634a2a973
Manifestff6faa1ca54d398ed383fb0c8f793d6d500360a87dd4cdb054313a503a43c997

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
SignatureaxDTLt0Tu0QwCgLpQyEPdCWWcFsnR+v2nGJJZl3NfvAvVzsgYsEjxj5ldm5nET14UnJUJYn0YXyzmwMADHNPCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:24:31.262210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101907
observed 53e355a5fd6ef3a8603c423a516f8585...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:31.242409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101907/manifest.json
observed ff6faa1ca54d398ed383fb0c8f793d6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:31.222204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101907/publication.md
observed 7bef17adffbe127831dac6dc539501ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:31.203240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101907/publication.txt
observed 2553794d553c850d0b66d1178551e4ed...
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.