OpenTechnical

OT-2026-000058197

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, vented 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-2026-000058197) never changes.

Identity and time

Publication numberOT-2026-000058197 · never reused
Internal UUID01a0ae88-6edb-774d-a04e-b829665fcb6c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058197
StatusPUBLIC

Content hashes

Canonical textafa8b7a2b5036fe1211ec01bb69414a23bb05d771c16ac6c7a0fe7519270c53a
Markdownd4c3ee4e63b8d15fcc11b31ee95cb92ca6e65e235591356b034840132351f570
PDF
Publication page67a0f6b9d8af5bf6b41cca1e7fede5e811a4bfeb358ddf6dcb3ef0120e5391b9
Manifestbe439175d9b108f53a43f75f0c861e4477b374149cf7a8a0aaa422c390f0d1e6

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
SignatureMUpxZIkb0KINnL1h0AvugvNO/PHxMBOma/IUpVxmG2fmfUtPzJ9OowvRaimPSIqQDC6++dU2Hymk9xW43PvyAw==
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...

Independent retrieval

2026-09-17T10:47:54.232497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058197
observed 67a0f6b9d8af5bf6b41cca1e7fede5e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:54.212374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058197/manifest.json
observed be439175d9b108f53a43f75f0c861e44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:54.193394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058197/publication.md
observed d4c3ee4e63b8d15fcc11b31ee95cb92c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:54.174689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058197/publication.txt
observed afa8b7a2b5036fe1211ec01bb69414a2...
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.