OpenTechnical

OT-2026-000063381

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, vented after set-down

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-2026-000063381) never changes.

Identity and time

Publication numberOT-2026-000063381 · never reused
Internal UUID01a0ae8c-f944-78eb-95a3-8c5f7b1d3130 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063381
StatusPUBLIC

Content hashes

Canonical text985e41e35a6db67174318bd904e11e37df6bf0f03d8b093893812364291b8eff
Markdown75058193c9da994f5e6cc283e378d9a4979124010fe6c68d578d18f315e9cd5f
PDF
Publication page6d2338b084665f2e61dcdd7d52c61934826507e3050bdc6a1ff20a59c7caac36
Manifest6c069abccbb5f6d847e3323d770986d37db76690f3053da8c33078196eaa1d3f

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
SignaturecBDsJVVKdAFfgJCXI+tZVRAXlTt3pSK81fbKjyJjCKo3ku07olZEN1J5u3FQPLUJyj5XBNtvrGMcenkQv+6jCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:37:17.607988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063381
observed 6d2338b084665f2e61dcdd7d52c61934...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:17.589297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063381/manifest.json
observed 6c069abccbb5f6d847e3323d770986d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:17.572500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063381/publication.md
observed 75058193c9da994f5e6cc283e378d9a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:17.553764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063381/publication.txt
observed 985e41e35a6db67174318bd904e11e37...
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.