OpenTechnical

OT-2026-000101970

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, three stage ejector, pulsed blow-off after 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-2026-000101970) never changes.

Identity and time

Publication numberOT-2026-000101970 · never reused
Internal UUID01a0aea4-50f1-7ccd-acbb-058afa5928f6 · 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-2026-000101970
StatusPUBLIC

Content hashes

Canonical textaf79ea560f8eed7aa48c7e38dde0b61436cc70512522fd0bf44099e086bf9209
Markdown71bbeabed985a18f06109557b308caee2b19f9ffc6626f9e9a48bd3b9dc27959
PDF
Publication page35726a8e38f9ed5a070a6d7acde389e4a92c01fe8c604c79ba02481968c32995
Manifest296515f5e228d6aa70d3e5a95777c05de74e94a9b7d0050e32eb86625f5a8af5

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
SignaturezXgE2r6fltLNp6+KZ9AFv9BNbE4pZ0b/FSWrSwvSi3TnctJL6jEHObAwaw6JUj1JR1Jh8ujSoGiN/SAaPzfaCg==
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

2026-09-17T09:25:05.576300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101970
observed 35726a8e38f9ed5a070a6d7acde389e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:05.559155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101970/manifest.json
observed 296515f5e228d6aa70d3e5a95777c05d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:05.542254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101970/publication.md
observed 71bbeabed985a18f06109557b308caee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:05.524699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101970/publication.txt
observed af79ea560f8eed7aa48c7e38dde0b614...
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.