OpenTechnical

OT-2026-000082683

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, 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-2026-000082683) never changes.

Identity and time

Publication numberOT-2026-000082683 · never reused
Internal UUID01a0ae97-8cc8-74b7-92e1-7e826103d3cd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082683
StatusPUBLIC

Content hashes

Canonical text52c3761d6347503f1e7e9c51a813b3468d9752bb24d61d6314d099ef5b70c93a
Markdown535aad50fdd3e17356f99067fdd8595f43fb33aaa73d8a72860bc9c122c77a09
PDF
Publication page1c828b48c3f05efd24d3db1b0847bcf7e159cd521c4630c4385117f4dace192e
Manifest1de3ab679e73b27c81aac46d13f061b2af3009cdf61d17008fcbe73ea29a35af

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
SignatureDrGmInvjA5hX93BgtLO3TvssyzD+LANIoeHJHG5MZrAywBUGBh0TKOak2ssvrQ1DeRbQiv9vJSnO+ZDQ6N/eAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:58:15.184510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082683
observed 1c828b48c3f05efd24d3db1b0847bcf7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:15.168554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082683/manifest.json
observed 1de3ab679e73b27c81aac46d13f061b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:15.150783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082683/publication.md
observed 535aad50fdd3e17356f99067fdd8595f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:15.132606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082683/publication.txt
observed 52c3761d6347503f1e7e9c51a813b346...
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.