OpenTechnical

OT-2026-000036383

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, single stage ejector, 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-2026-000036383) never changes.

Identity and time

Publication numberOT-2026-000036383 · never reused
Internal UUID01a0ae77-01d1-7066-93f1-92b9babdc980 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036383
StatusPUBLIC

Content hashes

Canonical textd77633c79c3b2f790464e5b988fb4ffcbf17d8723646b46591a3ebb8c3e6bf90
Markdown25389becd4cf3c574d99e2e4871e9941680d4abdce03013f93f58e14ec32e04a
PDF
Publication pageb084bcc0cf0d7851f8780937d09c39270dc7755f8c8d6b16c1181bfc8bb29272
Manifest6d4c48eecf9391724fe56fb12239c3483f3f28bc095d617d10acaa9e9e379492

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
Signaturev8gTW7LUfi7xDuTHv4lj7wsYIBwT6tUGvM6BPWJQbdW3AeCSer2cGZp5tG3UkGND7cRtRbAQTo9eROqsQlznDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:26:45.801265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036383
observed b084bcc0cf0d7851f8780937d09c3927...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:45.782877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036383/manifest.json
observed 6d4c48eecf9391724fe56fb12239c348...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:45.764867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036383/publication.md
observed 25389becd4cf3c574d99e2e4871e9941...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:45.744269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036383/publication.txt
observed d77633c79c3b2f790464e5b988fb4ffc...
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.