OpenTechnical

OT-2026-000102933

Publication integrity record

Three 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-2026-000102933) never changes.

Identity and time

Publication numberOT-2026-000102933 · never reused
Internal UUID01a0aea4-be3c-70a7-9f3d-131f97a551be · 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-2026-000102933
StatusPUBLIC

Content hashes

Canonical text688d2376445577d6625fc030ea5e034ce89b27fcd3a99663ec3650e184bfadc8
Markdown88d057e9ed41464a3cbf63b5c773a8a39571a3944feb3f92ab964837f080ba6f
PDF
Publication page047cc5899821dcb90adf6faa94d7f8c9d2c87233a30823f45d7765ea9f35823b
Manifesteb2e7fbe263de66331f86eaf2f8feb57f1e14f0b13dec83a1d9551a4c740bfdb

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
SignatureOCFV8Sqks8lfaGrgImMbAbO8a2c3CdPT3d6BuQc7wYvzBXfUu5rW2vEEF05Krc4HTdz/14oUSxkeaJWyupSGAQ==
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

2026-09-17T09:23:02.020646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102933
observed 047cc5899821dcb90adf6faa94d7f8c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:01.999302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102933/manifest.json
observed eb2e7fbe263de66331f86eaf2f8feb57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:01.978724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102933/publication.md
observed 88d057e9ed41464a3cbf63b5c773a8a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:01.958994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102933/publication.txt
observed 688d2376445577d6625fc030ea5e034c...
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.