OpenTechnical

OT-2026-000082830

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000082830) never changes.

Identity and time

Publication numberOT-2026-000082830 · never reused
Internal UUID01a0ae97-8cc9-797c-b61b-539f95b67739 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082830
StatusPUBLIC

Content hashes

Canonical textf88a74f08960c3a95430c4eeb656d5bf4e4db2b8c31dcda136aef95beb94b96f
Markdown29b980a83f1ce7368862cf31457825e15091b0f4c2442a27eba8e6da36c4c21f
PDF
Publication page24f8d896e385e1aa8a10022519ad97cb9ffa190bf102e1552c968470bd84a6f7
Manifestc839403a4337f430b4cca53a184de50510f9e6fd72a593d6e4bb1e08b0069a53

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
SignatureM/YNfJ4SJQcGn5uOw82P6WyX3SV/CQmSEhkBVnh0GBJUEajQi4ES+jWUUK3BwesedjWfi28Okrsd69HlDupADg==
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

2026-09-17T09:58:30.082034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082830
observed 24f8d896e385e1aa8a10022519ad97cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:30.062822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082830/manifest.json
observed c839403a4337f430b4cca53a184de505...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:30.043612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082830/publication.md
observed 29b980a83f1ce7368862cf31457825e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:30.024689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082830/publication.txt
observed f88a74f08960c3a95430c4eeb656d5bf...
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.