OpenTechnical

OT-2026-000101180

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, pressure sensor per zone, sustained blow-off before 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-2026-000101180) never changes.

Identity and time

Publication numberOT-2026-000101180 · never reused
Internal UUID01a0aea3-c378-7839-aff6-bc19ada3d0ae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101180
StatusPUBLIC

Content hashes

Canonical textfc626efe6c3a7c16eebee04239808b877003dc33501ef6ddbab8d7a018489b89
Markdownfa275a45148280f18171415bc705721456920571356e6ea385c9b456b156944e
PDF
Publication pageac3775e490401768630a19ad65846f4640268d954471e5c67995ede0dcd57425
Manifestef28c7debb7d882dbf72030c27807d695c8734126871374f592f90a6448e7af4

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
SignatureQCwNCiyF0tuCtWJsCHchUC6e6MWdGdgoHdHBZ5VEX4U/KGjlPllNcgG5D/m9safqej/l7DJp/zYcY2IWFakVDg==
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

2026-09-17T09:26:49.534131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101180
observed ac3775e490401768630a19ad65846f46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:49.516447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101180/manifest.json
observed ef28c7debb7d882dbf72030c27807d69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:49.500432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101180/publication.md
observed fa275a45148280f18171415bc7057214...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:49.482476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101180/publication.txt
observed fc626efe6c3a7c16eebee04239808b87...
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.