OpenTechnical

OT-2026-000052376

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed blow-off 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-2026-000052376) never changes.

Identity and time

Publication numberOT-2026-000052376 · never reused
Internal UUID01a0ae83-e792-73ac-b7b9-908b68170a6c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052376
StatusPUBLIC

Content hashes

Canonical text45e88560e89a83c4d9180e16864e5fb674004d1d3f27188a273fd612d7e0014b
Markdownf6c14925516b9446a206c9be54b0e0916066a930b7bb2057b13b0fe540be6b2f
PDF
Publication page6d37189426c58d8f50ec754f775813f0cd3f8f6c3a2afeb68256a2270b8d1106
Manifest30c1574f727aab8d0cccbf29104cb905932287a78543c09291cacc686c0a03d6

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
SignaturearXNqMNzhXOJ3BTKfkxf1E+0Jeq4Gl4AKHhxPg6n94sgcdM0FsJ8pbFI7T81uc90Lvac/abvl4cQBErwkDkHAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:58:04.659721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052376
observed 6d37189426c58d8f50ec754f775813f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:04.641216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052376/manifest.json
observed 30c1574f727aab8d0cccbf29104cb905...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:04.622921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052376/publication.md
observed f6c14925516b9446a206c9be54b0e091...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:04.604603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052376/publication.txt
observed 45e88560e89a83c4d9180e16864e5fb6...
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.