OpenTechnical

OT-2026-000077892

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, vented 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-2026-000077892) never changes.

Identity and time

Publication numberOT-2026-000077892 · never reused
Internal UUID01a0ae95-2ed1-780f-beff-78c9c8a679d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077892
StatusPUBLIC

Content hashes

Canonical text4b0a459092a827b6bd7c42012aaae1fcaf3ee7027106d5536e0a74d2be380fd2
Markdown5d862ee6529ccdf3c23fa048f7cdfe5ac9bbc339f5d8264519af95dfb7635e94
PDF
Publication pagee682cb7f5320036e6c4adcf590f8eea455c26acc46afe409344c273e525605ce
Manifest63dae97448d74a46832962047c0b9feb64d3313f7f888ff29e87c5445a8471c9

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
SignaturecEkxw/rrCrG3XBTKFZ5tIzmDyaqmcbkhRLjlYKghzsGHg8KHMbOBGzdZtxm/4gvxR+aXGtry0jTAy/Kcgqv6Ag==
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

2026-09-17T10:07:38.288365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077892
observed e682cb7f5320036e6c4adcf590f8eea4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:38.269401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077892/manifest.json
observed 63dae97448d74a46832962047c0b9feb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:38.249828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077892/publication.md
observed 5d862ee6529ccdf3c23fa048f7cdfe5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:38.229514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077892/publication.txt
observed 4b0a459092a827b6bd7c42012aaae1fc...
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.