OpenTechnical

OT-2026-000021086

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, manifold 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-2026-000021086) never changes.

Identity and time

Publication numberOT-2026-000021086 · never reused
Internal UUID01a0ae6f-65e5-7ea6-b703-919ff33520fe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021086
StatusPUBLIC

Content hashes

Canonical textc7a4ef8b5a4f5b64be479b6b9289b15354e763bdcc19ec08ab2bebf66e7cc5f8
Markdown96de55ea6cd8a3d104f2c1e492999e5f4c10c0b800c04ec239437b1eed0a0d57
PDF
Publication page41df819e82c3c1838a6a4d1cf2d5b72f5a69ac94f0f1cc9afc1717087f134cc4
Manifest06d47a08e2343afced37c991d98ccc8dd5189d62a2cdf46a90dcf4c9f132be4a

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
SignatureXR+saF8LeZyQ7aZTi0gH+HD9LrHmiOfQtliKA2y0CJCynlwGICLDSDybu/7sLXL0z0qOcyJftbbFa7R0rkP0Bw==
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

2026-09-17T11:56:22.295579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021086
observed 41df819e82c3c1838a6a4d1cf2d5b72f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:22.273947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021086/manifest.json
observed 06d47a08e2343afced37c991d98ccc8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:22.252899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021086/publication.md
observed 96de55ea6cd8a3d104f2c1e492999e5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:22.231100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021086/publication.txt
observed c7a4ef8b5a4f5b64be479b6b9289b153...
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.