OpenTechnical

OT-2026-000056305

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line 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-2026-000056305) never changes.

Identity and time

Publication numberOT-2026-000056305 · never reused
Internal UUID01a0ae87-4bd1-782f-98cc-b53befc25eb8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056305
StatusPUBLIC

Content hashes

Canonical text07fe3cf23e0cf005b456290f5aa84502e76c710ef25e45cf2846eb29017f6cb3
Markdown08d3ed33f66631d80023ba8a6c61a051666a7b3c09f78f9dccca2b2598a8eb68
PDF
Publication page007e86ba37db8eb19b03a2e1e8d525cfc88d6a95172d575cac5ea49d6d4b5bdc
Manifest522075761db5df9cde100f0645457a8b15c5649438cd7a0d86d049a9a0dfe0ef

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
Signature8pFJKgNV5CAKDH5nktC2CwAWiwKrnunXpUQouFmpgOEorIw8eWKysh8moWN1qOmQ63Z7OW5ndGo8YnmDz+SNAg==
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

2026-09-17T10:50:48.238365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056305
observed 007e86ba37db8eb19b03a2e1e8d525cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:48.220139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056305/manifest.json
observed 522075761db5df9cde100f0645457a8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:48.202525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056305/publication.md
observed 08d3ed33f66631d80023ba8a6c61a051...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:48.014607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056305/publication.txt
observed 07fe3cf23e0cf005b456290f5aa84502...
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.