OpenTechnical

OT-2026-000036021

Publication integrity record

Three 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-2026-000036021) never changes.

Identity and time

Publication numberOT-2026-000036021 · never reused
Internal UUID01a0ae77-01cd-717d-b292-2edca85a0d54 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036021
StatusPUBLIC

Content hashes

Canonical text9d41b5bfb529bb6d90bc121183fc17ddd16448a3bf70a59a44ed0b400cedcf63
Markdown0b32b2e067651e1ffd6f2be29046d4872291c5e1f4b06a69a58ac6c1a5c35ff4
PDF
Publication pagea5550b0be0973a775cbacb716831aa7e97bfc22cfc0a0fb4c41595c5a03c4c55
Manifest81a8e0461a44edda14c2415a0b5059d998c49d9fcc2b3965a979d2fd08246c31

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
SignaturePcGSCGBvI3RoDDPQ7PH4ViQPb37+w+1zBrCPyUP5aqyUtO60olgif2TzGftFTNJLgkPVYbfTG+K+rJ1+BooWBA==
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

2026-09-17T11:26:11.565090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036021
observed a5550b0be0973a775cbacb716831aa7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:11.548698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036021/manifest.json
observed 81a8e0461a44edda14c2415a0b5059d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:11.531568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036021/publication.md
observed 0b32b2e067651e1ffd6f2be29046d487...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:11.513143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036021/publication.txt
observed 9d41b5bfb529bb6d90bc121183fc17dd...
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.