OpenTechnical

OT-2026-000026378

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, sustained blow-off 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-2026-000026378) never changes.

Identity and time

Publication numberOT-2026-000026378 · never reused
Internal UUID01a0ae71-f4a7-7bfd-9a4d-ece76258060c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026378
StatusPUBLIC

Content hashes

Canonical text78674a1c4f124606ea60b074f8ff16a02d47533eb40cd0977e5debb491c0f810
Markdown8e939e424ff16713309b79434be84d6bbe7fd78a9b254cd2ced28efddb6d187f
PDF
Publication page7bdae410d88964c057a949a67740b74c13b2b5c4faf29b2a189eee637f23b0ae
Manifestf3bb9f92c1b97eca0ab24af6bffc913972c23fb8acf24f1e87cb657dc82b1c7e

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
Signature5ZjeFV8HVU+yxA0r4LbEj8w9nRP06JGhkok2Ra7qVhp7YjTtzd4r8Gn5JH4rdIdmsSv4tN+qhflVVAJPoSrIDA==
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

2026-09-17T11:44:21.653460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026378
observed 7bdae410d88964c057a949a67740b74c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:21.638056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026378/manifest.json
observed f3bb9f92c1b97eca0ab24af6bffc9139...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:21.620306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026378/publication.md
observed 8e939e424ff16713309b79434be84d6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:21.602531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026378/publication.txt
observed 78674a1c4f124606ea60b074f8ff16a0...
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.