OpenTechnical

OT-2026-000097256

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, two stage ejector, supply line pressure sensor, 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-2026-000097256) never changes.

Identity and time

Publication numberOT-2026-000097256 · never reused
Internal UUID01a0aea1-01ca-70a2-9a11-18fc2a008f0e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097256
StatusPUBLIC

Content hashes

Canonical textfa4893fd85dd6d33118ba716eeb6756e62b1e3ee18031eabb8730e68bb94ba81
Markdownf4df3193b15207f06cde0a057ecadd70916e16e0d700d3f9fdf9df8dd20927af
PDF
Publication pagea5ee53172dcca79acf041f678470eb36a05063283d1b5eb58c45dbe08442aff6
Manifest2dac060734c518725145df6182600004f318d88f603cd82092f584aa7f77514c

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
SignatureliGfv89oz4oWowkUzhM1LPHGsN71VCV5AWp7H/fs0sKO3MW+rR37BgWa8jp6VfUj1jEyMIUfEoZWY/mEnXMpAQ==
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

2026-09-17T09:33:30.667851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097256
observed a5ee53172dcca79acf041f678470eb36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:30.650149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097256/manifest.json
observed 2dac060734c518725145df6182600004...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:30.632388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097256/publication.md
observed f4df3193b15207f06cde0a057ecadd70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:30.614093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097256/publication.txt
observed fa4893fd85dd6d33118ba716eeb6756e...
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.