OpenTechnical

OT-2026-000037434

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line 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-2026-000037434) never changes.

Identity and time

Publication numberOT-2026-000037434 · never reused
Internal UUID01a0ae77-b8cd-7e3d-ad70-70ded6386794 · 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-2026-000037434
StatusPUBLIC

Content hashes

Canonical texta0ef90c4e2bda5d46fd666744d131e0a74ecbd459e7c824a4b837a8286a25b8f
Markdowndb124c1a90cbc19fe8244bdf5d683cb98c0e8be16880fda6760a0a097c675ce3
PDF
Publication page4d71221010b57e31e16cfd74185e9eddf941c5e65b29cab4cf80c47644b35678
Manifestc6c7d8e1a709c16d78b10bf42f22cd8ef22736dba3a0b2496502f92e649737ac

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
SignatureyWJ3TNmUFwDtut6FBn00o5E+ldU2U9ALIE0JTDrpMFBHdTvkLDgUImbEOVMjtghJ/20sQRBbMxheQrhbE1cHAQ==
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

2026-09-17T11:23:51.909085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037434
observed 4d71221010b57e31e16cfd74185e9edd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:51.890819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037434/manifest.json
observed c6c7d8e1a709c16d78b10bf42f22cd8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:51.871206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037434/publication.md
observed db124c1a90cbc19fe8244bdf5d683cb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:51.853323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037434/publication.txt
observed a0ef90c4e2bda5d46fd666744d131e0a...
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.