OpenTechnical

OT-2026-000033194

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, pulsed blow-off after 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-2026-000033194) never changes.

Identity and time

Publication numberOT-2026-000033194 · never reused
Internal UUID01a0ae75-4844-7ef7-8b50-0a2ce4cc192f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033194
StatusPUBLIC

Content hashes

Canonical text16f986f038b01afe8c6e4d2ca9a21a030d461a61dfe330ae0665eaa5f0e0c254
Markdown2476e2da4fef0cd9663f2804384c5d3a7e682f250ecebec43dc7e4b6dafccc6d
PDF
Publication pagea0c166a79588e0c328e4b9740f5beef7b0b7cd1b841b6212fa334275a1f9dc00
Manifest528c1c5b2f41556600de207ed2b264181e56ece6d9893149eb93ad3a06b58a78

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
SignatureddSbhCBow3VfTnrgaMDePhva4YrzEUNMfzAgC1X81/feRgKBT+mxzsr2TvtnVZMtxZ7pBrs0GGlE/ifVY4k4Dg==
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

2026-09-17T11:32:53.458933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033194
observed a0c166a79588e0c328e4b9740f5beef7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:53.442665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033194/manifest.json
observed 528c1c5b2f41556600de207ed2b26418...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:53.424667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033194/publication.md
observed 2476e2da4fef0cd9663f2804384c5d3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:53.409421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033194/publication.txt
observed 16f986f038b01afe8c6e4d2ca9a21a03...
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.