OpenTechnical

OT-2026-000060142

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000060142) never changes.

Identity and time

Publication numberOT-2026-000060142 · never reused
Internal UUID01a0ae8a-5a71-70b6-93dc-b31399fa84fa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060142
StatusPUBLIC

Content hashes

Canonical textce77d597e0f249316a0ba0ce62aa4f50769dd410e1a767a5f3a05113b8770cc1
Markdown022ffcb8a88c1446b06b2dae87870dd8d927c7b18d1246542e593a2b080f8e93
PDF
Publication paged808c8e698f8466195adc8cf9af786b5e4a713e6a2dba5e29bee87f9983cef4a
Manifeste70d4a476a3ccd6b71b6d6989a9621e64bd7d506bbb0dc799cbcb1a82e9e0b64

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
SignatureKG94V33caEA/pCX7DOOs2u2/bf2x7+Tt6/LEua71JYUdix+q2OTTnrAWQGjunFjPcGmE+Z1OBd3pkusYXk9ECQ==
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

2026-09-17T10:43:47.927682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060142
observed d808c8e698f8466195adc8cf9af786b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:47.908866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060142/manifest.json
observed e70d4a476a3ccd6b71b6d6989a9621e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:47.891118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060142/publication.md
observed 022ffcb8a88c1446b06b2dae87870dd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:47.872733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060142/publication.txt
observed ce77d597e0f249316a0ba0ce62aa4f50...
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.