OpenTechnical

OT-2026-000057417

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, vented before 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-2026-000057417) never changes.

Identity and time

Publication numberOT-2026-000057417 · never reused
Internal UUID01a0ae87-d5be-7f0f-8df4-8eede5f831d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057417
StatusPUBLIC

Content hashes

Canonical textbdadf98aba03b1a284c3031c37c3d89e4590aa61362ceeac7328933cb5cc4e75
Markdownf2c426eecc746bf949160f6b20010dbe83e156138af1a3583db394958ba4dd98
PDF
Publication page78bcb0e0c7370f5a2a1417a7343ca4a764c0349061c9a8cd3f01c88e4bb85e05
Manifest318012e5afddcc7b62d08eb56a864a11fa1815616bb03a5b6e0436bb0b32f47e

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
Signatureg58kNu+vMno9wpfba8qrVfYfGa5ZfhJEtLrN6l9q14C3WKf7krj0rRQCTa5roK2+derPNcTIEoQBmwk7aTgXBg==
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

2026-09-17T10:49:42.459351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057417
observed 78bcb0e0c7370f5a2a1417a7343ca4a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:42.441391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057417/manifest.json
observed 318012e5afddcc7b62d08eb56a864a11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:42.425604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057417/publication.md
observed f2c426eecc746bf949160f6b20010dbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:42.410075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057417/publication.txt
observed bdadf98aba03b1a284c3031c37c3d89e...
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.