OpenTechnical

OT-2026-000072429

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, supply line pressure sensor, pulsed 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-2026-000072429) never changes.

Identity and time

Publication numberOT-2026-000072429 · never reused
Internal UUID01a0ae92-89d7-7b55-ae08-34e420b95539 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072429
StatusPUBLIC

Content hashes

Canonical text529e6567e737d6dfee4898f3ea79bff78c62ee7383d5d6019ae0238b20f94cf2
Markdownfa6502205d651281f0bc02f871da50b0907c5a071213c464f3ca251b98cde0ba
PDF
Publication paged66aa29c082ffd3e9d54fbfab416352b56db8facfd00917fdce37e06c3281111
Manifest5921f55fd2203ec96d35ccdf618f2898e818ff35ad65b46aa07e80fc46213748

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
Signatureay8H73XWdoefaeA+43w7AsgN3WuVWrfvHRmZrN8EEtg4L7Ulti/ug0HBCraPf4ktU6hSMT3lmgUGAN506kjnAA==
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

2026-09-17T10:22:14.636755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072429
observed d66aa29c082ffd3e9d54fbfab416352b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:14.619610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072429/manifest.json
observed 5921f55fd2203ec96d35ccdf618f2898...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:14.602857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072429/publication.md
observed fa6502205d651281f0bc02f871da50b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:14.585097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072429/publication.txt
observed 529e6567e737d6dfee4898f3ea79bff7...
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.