OpenTechnical

OT-2026-000075880

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, vented 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-2026-000075880) never changes.

Identity and time

Publication numberOT-2026-000075880 · never reused
Internal UUID01a0ae94-29ff-74d6-9346-e7276f350240 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075880
StatusPUBLIC

Content hashes

Canonical text39ac4b41091585aac65657bad01cf8e140e07bb66f4d1ff000ee404c1d5e2f79
Markdown23c820f79f4ff16db091daa7f73ad9323addd9c58472a19d8ed02e986eff5fc7
PDF
Publication page47205995c81de66fa35991b32c8224e96fd47550f8496785718a866d72a3facd
Manifest9a48627c3189d9c9f4535d12785b5c7bfadffa357b1e3dc62b1a35938b60784b

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
SignaturexH5sphYgSrAiqShitXxRJIjpmucpV2GM2nUEaUS8rBG7HTmJSH8Qw25rXxJiKew1vpRun/dCCJwnHvI1rv6yBg==
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

2026-09-17T10:14:39.264659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075880
observed 47205995c81de66fa35991b32c8224e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:39.053636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075880/manifest.json
observed 9a48627c3189d9c9f4535d12785b5c7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:39.035899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075880/publication.md
observed 23c820f79f4ff16db091daa7f73ad932...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:39.016654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075880/publication.txt
observed 39ac4b41091585aac65657bad01cf8e1...
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.