OpenTechnical

OT-2026-000007632

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, single stage ejector, 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-2026-000007632) never changes.

Identity and time

Publication numberOT-2026-000007632 · never reused
Internal UUID01a0ae62-76bc-7c8e-863b-0c8c60c1c42a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:23.688458Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007632
StatusPUBLIC

Content hashes

Canonical textbf933e80834953bc65ceb46d4fa3eb903e9b629dd6cfca28afc0aad1d33dd09f
Markdown58e421abe4a6b48d537805ca448177beeda1ba32a9f2dd10b646d475271c8525
PDF
Publication page1dd943a2abd062a400ed35a3e1937a7ec480116193e3cb9ddb12ca713495583c
Manifest62e5342ba3fe257900614034e9cb7a0b5c395672a8b356241c3d86f607813798

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
Signaturec+HKD8H+NUQZlbZ78ToiDrk6xYrA6caOfAqDxy74o1T4Vt6DCp4dSqyGhmRR7g0WLTFeRNOhA3RBl1vYQ7bqDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:14.916430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007632
observed 1dd943a2abd062a400ed35a3e1937a7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:14.900695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007632/manifest.json
observed 62e5342ba3fe257900614034e9cb7a0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:14.884498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007632/publication.md
observed 58e421abe4a6b48d537805ca448177be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:14.867657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007632/publication.txt
observed bf933e80834953bc65ceb46d4fa3eb90...
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.