OpenTechnical

OT-2026-000101668

Publication integrity record

Three bellows cup vacuum gripper, three zone face, plant vacuum fed, pulsed blow-off 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-2026-000101668) never changes.

Identity and time

Publication numberOT-2026-000101668 · never reused
Internal UUID01a0aea4-0e16-79eb-b29f-645bf9856f60 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101668
StatusPUBLIC

Content hashes

Canonical textb8a184f9fd62d31dd1327214aeb0ab2f77f7a2d08fa24911f090a9d0bedbaeff
Markdown87c2fb3669a03fdd3dd0243cb50a7715b6e6244b1e76af4f9a338860dbd2b9a3
PDF
Publication pagedac8ee3c1792c801d9e5ea124f86272c8f0938b3d103fd5a9ac6912a1c62d2ca
Manifest677d6e9da8d7fc05f539b1538dee4b69d00955fc904e3ba8681ed28ec2552208

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
SignatureoURrzZEhYFvzEsn72+6RkgAwv8Jr70FfjLajbhNoF83WDAdgew8RM1X7PhWHkZI74DRkzWQPTCrdcnaTp2phDw==
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

2026-09-17T09:25:57.731357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101668
observed dac8ee3c1792c801d9e5ea124f86272c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:57.713440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101668/manifest.json
observed 677d6e9da8d7fc05f539b1538dee4b69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:57.695101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101668/publication.md
observed 87c2fb3669a03fdd3dd0243cb50a7715...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:57.676255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101668/publication.txt
observed b8a184f9fd62d31dd1327214aeb0ab2f...
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.