OpenTechnical

OT-2026-000082828

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, vented after 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-2026-000082828) never changes.

Identity and time

Publication numberOT-2026-000082828 · never reused
Internal UUID01a0ae97-8cc9-70cf-85c8-e4f12cfb75e5 · 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-2026-000082828
StatusPUBLIC

Content hashes

Canonical text79225110793f2ade9e65f5358433e34c3d2e34bbc934e2e22d4d69155c97a6a6
Markdown0ad53d1027fba623289d87cd8e8b659dc9f55e4b2dee1a8da199888499af681e
PDF
Publication pagec38d2dbf7e013012d09cb01649f7b35c7e4a4551f22faf7c8a0aea4e9f35dc9d
Manifest821930a64f9a0d1ad31b36b4db74c791b2bff29bdcccac71c9ac2e871c301883

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
Signature+2DFeahmMAsHX1OtE/Gd088bHHIEgVCmklww0z40hZZKgEZh1kWr1O2+cmFLc/Aumg+A1fUg+2ftqyBXoIlpCQ==
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

2026-09-17T09:58:29.925639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082828
observed c38d2dbf7e013012d09cb01649f7b35c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:29.906472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082828/manifest.json
observed 821930a64f9a0d1ad31b36b4db74c791...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:29.888511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082828/publication.md
observed 0ad53d1027fba623289d87cd8e8b659d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:29.869410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082828/publication.txt
observed 79225110793f2ade9e65f5358433e34c...
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.