OpenTechnical

OT-2026-000101998

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, pump fed, pulsed blow-off after 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-2026-000101998) never changes.

Identity and time

Publication numberOT-2026-000101998 · never reused
Internal UUID01a0aea4-50f1-714a-b506-93d44d6803da · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101998
StatusPUBLIC

Content hashes

Canonical text1a6717a3128b28a0909dfdffcaf59696f16d235061fbff30bfa0a556119b430d
Markdownc6af0addde5db236d48fa578581a552148f0bf6f3bbd7fbf5963dd939c948dbe
PDF
Publication pagee2acd48ef14510e24085e7e040ec1c9feb147d3e9ef9e22b047a2fcf34dfae49
Manifest921f35394059062da5bf477e6989c7d70c4b6bb316c6d7d7af98c6b40897d7d7

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
Signatureul2XOamfP4YaS8TsHW3IGZl6hdiIUmkeL0jToHKPHVdm8SxSdetUMqsrrMXmtICORqZIVmIwE5/wHAJEetPhAQ==
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

2026-09-17T09:25:07.431799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101998
observed e2acd48ef14510e24085e7e040ec1c9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:07.413615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101998/manifest.json
observed 921f35394059062da5bf477e6989c7d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:07.397604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101998/publication.md
observed c6af0addde5db236d48fa578581a5521...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:07.379810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101998/publication.txt
observed 1a6717a3128b28a0909dfdffcaf59696...
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.