OpenTechnical

OT-2026-000070709

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000070709) never changes.

Identity and time

Publication numberOT-2026-000070709 · never reused
Internal UUID01a0ae91-8c2c-7635-8c1b-7ea628e24f76 · 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-2026-000070709
StatusPUBLIC

Content hashes

Canonical text93fddb429123e678f07b192fc7306cc111bf73dccdd583fc6559c48ad10b23ec
Markdown7d478c675d99ee53b40f6a7822599f54daae193049b52a8f905520596d08af55
PDF
Publication page152f11f5d9cf6e4f7c47af9d41b4938f682c213800c200993597c931a90a3fe4
Manifest0aa94d6f63184ce821d251e833f58d20e61bd0bead288fc50ee19c1c6ecd8138

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
SignatureF6GjUxMXkU9bE/mHDeU9rp0kZ7cHxATOtN+gCIgBXqankAhjL/k3RzQqMJ2TyzB8aKnHgUYPtzQaa3mpuJjoAw==
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

2026-09-17T10:25:23.724599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070709
observed 152f11f5d9cf6e4f7c47af9d41b4938f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:23.707037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070709/manifest.json
observed 0aa94d6f63184ce821d251e833f58d20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:23.691005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070709/publication.md
observed 7d478c675d99ee53b40f6a7822599f54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:23.673707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070709/publication.txt
observed 93fddb429123e678f07b192fc7306cc1...
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.