OpenTechnical

OT-2026-000014162

Publication integrity record

Foam pad vacuum gripper, common isolation valve, three stage ejector, pulsed 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-2026-000014162) never changes.

Identity and time

Publication numberOT-2026-000014162 · never reused
Internal UUID01a0ae6d-b278-7924-95a4-f0d3921648ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014162
StatusPUBLIC

Content hashes

Canonical texte12475d745c74d9422e7f6a0e5724327530a4fbf778c4cca75e9cf8b915f766d
Markdownc1556d608f9a0ed9d185ebe4b479f06905760da0bf9b7c7f242ec9e6808b9c3b
PDF
Publication page5f4678fd8bedf11b6e449c5f0649140085ea27df6ec70d8bd8681ee4b1a2e001
Manifestce460d94989521838e7108774ba67c754418919ebe62ddb8df2c9dfd1677c618

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
SignatureEd22cUMWakL5QMqyvPR246lsiugp6f9EDOD2DuHffAF+20I2nxoNS2Rx1VtsrbChf+aJc9BPmKZ8kmxIulbnBg==
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

2026-09-17T12:07:14.940129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014162
observed 5f4678fd8bedf11b6e449c5f06491400...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:14.919750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014162/manifest.json
observed ce460d94989521838e7108774ba67c75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:14.857603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014162/publication.md
observed c1556d608f9a0ed9d185ebe4b479f069...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:14.771685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014162/publication.txt
observed e12475d745c74d9422e7f6a0e5724327...
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.