OpenTechnical

OT-2026-000038239

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, pump fed, supply line pressure sensor, 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-2026-000038239) never changes.

Identity and time

Publication numberOT-2026-000038239 · never reused
Internal UUID01a0ae78-2d51-797a-b376-cf0918c88613 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038239
StatusPUBLIC

Content hashes

Canonical texte8afa7d814087e5278a5be8753cbfc3001e243c6e0591b32534aeaded1df7086
Markdown21ca85eea2ace6d83794c3ac808a2e36cc485e25b9fdb8d00e0e9345113540ee
PDF
Publication pagecc8ed5aef7edc65fb060b515dd16a4855645ef8d2786e244713a572dceb711cc
Manifest3e18404d0f897792a4334cd021c817c68d0584d88d382572209e5a7f03d0ca25

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
SignatureqRpZu4+3ozmgT4NZMmJVM/8lkvKT/zeBaVA/qyiVpnjS+jY52RInus2FRjdY/q9DB/T1JGg4g4AcqXA4CfgyBw==
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

2026-09-17T11:22:23.211800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038239
observed cc8ed5aef7edc65fb060b515dd16a485...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:23.191709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038239/manifest.json
observed 3e18404d0f897792a4334cd021c817c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:23.173223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038239/publication.md
observed 21ca85eea2ace6d83794c3ac808a2e36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:23.152088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038239/publication.txt
observed e8afa7d814087e5278a5be8753cbfc30...
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.