OpenTechnical

OT-2026-000038693

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, supply line 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-2026-000038693) never changes.

Identity and time

Publication numberOT-2026-000038693 · never reused
Internal UUID01a0ae78-769e-7f43-b70c-04c20a203a49 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038693
StatusPUBLIC

Content hashes

Canonical textfd0a1c8f43c82c72c56b3367102daaff4b7c3c6bea5b363416bd4a0588ed0bed
Markdown98e06b493faa4496e3b4489f884ca10b276535512dd63f761b781dcf1f52c6a4
PDF
Publication page161207d0396f5b74f3bf8bcd7b04af9adfc89e0d34770be5309b5589faa205e8
Manifest7d1db6802a9e25b4307c44581d0c0355e06a4fbb5368874838009392a2cc7bbb

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
Signature3JLrZ72iwVMZYpwUZUiFT+p4/SEnLPbhjfxTfxgpPxFtQTB/mAGLpnoJH/R5g8rCuuLwrvjkEUrraw+W9Aw4AQ==
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

2026-09-17T11:21:12.636114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038693
observed 161207d0396f5b74f3bf8bcd7b04af9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:12.617314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038693/manifest.json
observed 7d1db6802a9e25b4307c44581d0c0355...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:12.599103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038693/publication.md
observed 98e06b493faa4496e3b4489f884ca10b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:12.581443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038693/publication.txt
observed fd0a1c8f43c82c72c56b3367102daaff...
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.