OpenTechnical

OT-2026-000056217

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single 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-2026-000056217) never changes.

Identity and time

Publication numberOT-2026-000056217 · never reused
Internal UUID01a0ae87-4bd1-71ee-9e05-db96789baa4a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056217
StatusPUBLIC

Content hashes

Canonical text885550cb4e075a7bd679eb6c25f4dd1c56ebca64c7688304f3aafcf298901c1f
Markdownd31dc7962745094f90da476af5c460acbf2aca98fcb2e768b04be14fb331343f
PDF
Publication page73ac7e434856d5a34ec3e03a4021cd90d5b3929fd26af00ef7abf0950663b491
Manifest2b054def9b2c7f5381664a84e491416914ff27675113482a96e8e8439e88a7eb

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
Signature2jk2KMCNC+rM8YcDZ3Rs7DsBXQMspLGUrg13n/O5ViWTgl0A2hfXHiDbH0vl+7G4TRmnKX6OTddxj8BRkcffCw==
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

2026-09-17T10:50:41.558585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056217
observed 73ac7e434856d5a34ec3e03a4021cd90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:41.542001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056217/manifest.json
observed 2b054def9b2c7f5381664a84e4914169...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:41.525023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056217/publication.md
observed d31dc7962745094f90da476af5c460ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:41.508829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056217/publication.txt
observed 885550cb4e075a7bd679eb6c25f4dd1c...
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.