OpenTechnical

OT-2026-000097537

Publication integrity record

Two cup vacuum gripper, two zone face, 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-2026-000097537) never changes.

Identity and time

Publication numberOT-2026-000097537 · never reused
Internal UUID01a0aea1-55b4-7dde-b06a-abeddbf7887e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:04.087778Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097537
StatusPUBLIC

Content hashes

Canonical text6c720e98ada9ec78509eb105f567774fbc59ddbd4203bc6b24a6d1060ac2cb33
Markdown38a4ddf84ed2d0b8d0fe7a89470737b730701a2c7c8946f657fe699eb7ad24ee
PDF
Publication page35e5cfda4322b22da7c56939edb532ad71119e647593de8093c02ca339aa9cbf
Manifest9c0482a8d6003960f9adb22ab8598bdcd644d657c892bd6a55b8fadf2946e78f

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
Signaturefm77RZwIDfcT5zpZVMKZDfOn0GwDAfGO634gHCgknTFBtW21RVLHuG5TBMWxNZ4/F2DFhHOH2qv6me1t1AaGDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:33:24.843669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097537
observed 35e5cfda4322b22da7c56939edb532ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:24.827247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097537/manifest.json
observed 9c0482a8d6003960f9adb22ab8598bdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:24.810249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097537/publication.md
observed 38a4ddf84ed2d0b8d0fe7a89470737b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:24.791083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097537/publication.txt
observed 6c720e98ada9ec78509eb105f567774f...
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.