OpenTechnical

OT-2026-000013014

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, 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-2026-000013014) never changes.

Identity and time

Publication numberOT-2026-000013014 · never reused
Internal UUID01a0ae6d-5564-7fe0-9d22-2455dc9289e3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013014
StatusPUBLIC

Content hashes

Canonical text00dcf49cccf2b140cc430ddad700096d6f28cb59a5eca34261cad58ff3c531fc
Markdown4eeb5bfcfe3eef50420dc088faf896535c3e3b17d306547ca63696004161750d
PDF
Publication page42beab6c513dcba310c3b8ec07775519b25665624daeeee13a5447f3e7ba5553
Manifestf16dab11220be21ce5f3cc704b9f35c539a4272df38657e1bb6120890b7e46ff

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
SignatureGT6YEAMjekh/79FreIfguKt8+pV1F/LCm9vrHeBPrJgasclxDy1iK50i7lz4LDb+gMYrY50obtuMom+wmmfxDw==
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

2026-09-17T12:10:50.289098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013014
observed 42beab6c513dcba310c3b8ec07775519...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:50.269381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013014/manifest.json
observed f16dab11220be21ce5f3cc704b9f35c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:50.250092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013014/publication.md
observed 4eeb5bfcfe3eef50420dc088faf89653...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:50.230549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013014/publication.txt
observed 00dcf49cccf2b140cc430ddad700096d...
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.