OpenTechnical

OT-2026-000036291

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, three stage ejector, 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-2026-000036291) never changes.

Identity and time

Publication numberOT-2026-000036291 · never reused
Internal UUID01a0ae77-01d0-7dc5-8e18-a8a4b81e1a2f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036291
StatusPUBLIC

Content hashes

Canonical text6a868d7dcc624eccd10e1d57046712a84b30585f58ec383aedb5b4b7cfdc44dd
Markdown167c76f2780e452ef083374053482d7a95aeaa4426ea4947d2a89c1430b25934
PDF
Publication page5f9101d129eefb9b976a21b0b3175bf717d41de0e429b65327f376a79d69c40d
Manifestdde47939dd541fd9c3c1492afd3457ff4155391b185ca0b1ed7cd4491bcc3c2a

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
SignatureHTKBh34+SNLotUT4bImen+bmKc15nBwklqZfAUDs3RVECuDjEocvRBx+M+TaA1i3GKtPcXcBnUpu1M/VVSZIBQ==
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

2026-09-17T11:26:33.494110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036291
observed 5f9101d129eefb9b976a21b0b3175bf7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:33.476709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036291/manifest.json
observed dde47939dd541fd9c3c1492afd3457ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:33.457621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036291/publication.md
observed 167c76f2780e452ef083374053482d7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:33.438892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036291/publication.txt
observed 6a868d7dcc624eccd10e1d57046712a8...
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.