OpenTechnical

OT-2026-000037390

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off 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-2026-000037390) never changes.

Identity and time

Publication numberOT-2026-000037390 · never reused
Internal UUID01a0ae77-b8cd-7eca-a135-b363e778c707 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037390
StatusPUBLIC

Content hashes

Canonical text83b241d99bae88441f28d516d21a186ab1331d232eb81a68eb9258be3a9c43a3
Markdown112dfc29c822d52b1acc7c8c40b2875144a9ccff04b649c95f1e63bd8293ad62
PDF
Publication page498065c0dde1a609b69771c8a39849068e2d0d0c3ddfb5f13df45244c9659f06
Manifestfb3da9f842ba4d18329d3ab156c0684aceeb38ceebaaed85ccfa1c55ec69da45

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
SignaturejxdFL8PEkhELRk0ZQBxTXjTzpz8ddwTLNztabCSCt8VZBmotNVxHP56UgemyAA2+3PHUB++zMhfamNrIGxatAQ==
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

2026-09-17T11:23:49.129511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037390
observed 498065c0dde1a609b69771c8a3984906...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:49.112745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037390/manifest.json
observed fb3da9f842ba4d18329d3ab156c0684a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:49.094053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037390/publication.md
observed 112dfc29c822d52b1acc7c8c40b28751...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:49.076024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037390/publication.txt
observed 83b241d99bae88441f28d516d21a186a...
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.