OpenTechnical

OT-2026-000070927

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, plant vacuum 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-2026-000070927) never changes.

Identity and time

Publication numberOT-2026-000070927 · never reused
Internal UUID01a0ae91-8c2d-7868-b4de-f05d1dc1198a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070927
StatusPUBLIC

Content hashes

Canonical text33484cb60f1bf8b8f5a542dd5c042666cf67364532563dbf8778a886ffdadc4a
Markdownc1a4a4076e871e114374be78dff1f2b5403424063a87577db112feb8c813cdbd
PDF
Publication pageafb826c0adf4326ccf8cbf261ed2da35dfde57d0f3ed516004908ee3058c9be5
Manifest6f09818b76421c4bcdcb2bc4a119b87668126de293525309217b41190d76f679

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
Signaturew44lKQpDnaNfLNFYzCFfyJWiR25i4Y0T9F4lzezPdvH/fTGT7zPR3WlA2OB0yMuey7n/CbPSF9xwGPxqhXrLBw==
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

2026-09-17T10:25:44.633896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070927
observed afb826c0adf4326ccf8cbf261ed2da35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:44.617206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070927/manifest.json
observed 6f09818b76421c4bcdcb2bc4a119b876...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:44.599440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070927/publication.md
observed c1a4a4076e871e114374be78dff1f2b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:44.581548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070927/publication.txt
observed 33484cb60f1bf8b8f5a542dd5c042666...
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.