OpenTechnical

OT-2026-000013477

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, pulsed blow-off before 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-2026-000013477) never changes.

Identity and time

Publication numberOT-2026-000013477 · never reused
Internal UUID01a0ae6d-6fca-7804-8405-e5683dc72c76 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013477
StatusPUBLIC

Content hashes

Canonical text8350dfe7bbd38353c8b2c81ea3a479247d998dadfa08078b85c2cdfe5266ffcf
Markdownc45d0c2feb0a33a765a04fdea2029213ed288a3351af4641dab11a6b07bcb3fe
PDF
Publication page0fc859ce99b6581731562d6ccd699ae4b456e53aa5a11da9ea2d9ef4d8071285
Manifestc22fb12c7d0a5e7c2ab5f777cd655bbf931d4a84d0852d556714cadfc7b62eac

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
SignatureZ2i4vtmhoWPZ5uQHufj7hfSxPCdUqDg3C7iu+XizFxdOUhK7owA1ppUTic9vuo76RYWQBM+iPuuREp9udLNXCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:09:58.714683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013477
observed 0fc859ce99b6581731562d6ccd699ae4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:58.696088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013477/manifest.json
observed c22fb12c7d0a5e7c2ab5f777cd655bbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:58.677003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013477/publication.md
observed c45d0c2feb0a33a765a04fdea2029213...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:58.658202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013477/publication.txt
observed 8350dfe7bbd38353c8b2c81ea3a47924...
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.