OpenTechnical

OT-2026-000098064

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, pump fed, supply line pressure sensor, sustained 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-2026-000098064) never changes.

Identity and time

Publication numberOT-2026-000098064 · never reused
Internal UUID01a0aea1-e963-7452-a401-cc12a33b0585 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:41.837875Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098064
StatusPUBLIC

Content hashes

Canonical textabd45e58a8aa2c8be2a97274e358a81c249a53b9bc8bd7d8acbb90d1ab7ee2a5
Markdownda9bfa98a23678185f480aaf72364f4f25ba5b840a724a93eaafc850b5f3ae10
PDF
Publication pagea5b1154e30cebeba5dc28fe5a740a344247e4911da5dfd65739207898a809306
Manifest54b956a3cf16d7218619debbaecdafd4c5f3157c3988c02813cb376550e62cd3

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
SignatureaEUV47xDK6uoMT2hka4t+DC/3dIG/ONc1os6IKrQx6tvgIvtDcGSuK07M9ak8vPqBDDiv2A7fDH7dfsTJMVuDg==
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

2026-09-17T09:31:11.624987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098064
observed a5b1154e30cebeba5dc28fe5a740a344...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:11.608126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098064/manifest.json
observed 54b956a3cf16d7218619debbaecdafd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:11.591555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098064/publication.md
observed da9bfa98a23678185f480aaf72364f4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:11.574527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098064/publication.txt
observed abd45e58a8aa2c8be2a97274e358a81c...
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.