OpenTechnical

OT-2026-000027446

Publication integrity record

Foam pad vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off before 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-2026-000027446) never changes.

Identity and time

Publication numberOT-2026-000027446 · never reused
Internal UUID01a0ae72-6998-7ac9-8b85-235449ea9a2c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027446
StatusPUBLIC

Content hashes

Canonical text01d21be71a116beabef7414cdf80062fca9ed99db4db77c5f2cce50ccfa50abc
Markdown39d6af006bed4652650bf3404e15714ba9ac73c714c9bdfd387eb97a54a65f13
PDF
Publication pagebdae8128243215f4d6b53246be50ac0e1d369a980d6de35b2cd170f0fb7d106c
Manifesta9867cbaa61f97c1dffafd247d1d69ddec38606c551887eea833179cfd96fbec

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
SignaturejVYyu3D0k9wGmAS/QrgKyiKrGppi5nq+YXN1F5J1QzhccNyaZisW3COguR3k22CAtoYmJjjTT3EyEbZR8BtBAQ==
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

2026-09-17T11:42:54.022054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027446
observed bdae8128243215f4d6b53246be50ac0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:54.004025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027446/manifest.json
observed a9867cbaa61f97c1dffafd247d1d69dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:53.986974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027446/publication.md
observed 39d6af006bed4652650bf3404e15714b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:53.970393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027446/publication.txt
observed 01d21be71a116beabef7414cdf80062f...
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.