OpenTechnical

OT-2026-000102919

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, plant vacuum 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-2026-000102919) never changes.

Identity and time

Publication numberOT-2026-000102919 · never reused
Internal UUID01a0aea4-be3c-7747-b69d-cc1a782af8e7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102919
StatusPUBLIC

Content hashes

Canonical textaa3f5d1d6928cf99864ccda0d7b54f579513451627668f9a463aecb8a9eee641
Markdown29c9b0596128783642acde6440bb718b84cad51889e82a9ce2b0820759f2a1cb
PDF
Publication pageae5234f30aeca3906417311336aefb3c9cca0066523c78183567bec1368f5dd1
Manifest879ee0fd3296615eb402298985ec68d2836510660bcab82a04427ee30d66f1d9

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
SignatureWQrcoj1w9GqTtoue1qlATgiNS57K0tBNMzWUrNTcchnvxk1LTFegPBN7ldLhT14FdFiuJ9YGpDFFTVoEzLVzBA==
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

2026-09-17T09:22:50.755621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102919
observed ae5234f30aeca3906417311336aefb3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:50.739962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102919/manifest.json
observed 879ee0fd3296615eb402298985ec68d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:50.724622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102919/publication.md
observed 29c9b0596128783642acde6440bb718b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:50.708110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102919/publication.txt
observed aa3f5d1d6928cf99864ccda0d7b54f57...
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.