OpenTechnical

OT-2026-000032215

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, two stage ejector, 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-2026-000032215) never changes.

Identity and time

Publication numberOT-2026-000032215 · never reused
Internal UUID01a0ae74-f7a7-7047-9abc-0da48eb044b5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032215
StatusPUBLIC

Content hashes

Canonical text243bd572e0b23dc8711cdcdcd3a012080c11c0a41ba55ae728aff28f08302ee3
Markdowne4de3f5602ff58789f0ac53d6305981abd18df462496a005eebbc33ceeba9526
PDF
Publication page7dcd498c9f197adc5fe4368e532a6fdaeb69f1432b2e76f6077384d79f0a29fb
Manifest33de3df5e5ffbbddb4a614a97d9914244c5593ff3c13f238c8aa67e3c6a77f84

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
SignaturepMbKmDZF9wWd+48AMGRprA4WNBpB9ewK7tPioxeuqAqb0585Xu2wxadICtwv92lS32inD5R2CanW8v/Js7k+Bg==
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

2026-09-17T11:34:33.830153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032215
observed 7dcd498c9f197adc5fe4368e532a6fda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:33.812964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032215/manifest.json
observed 33de3df5e5ffbbddb4a614a97d991424...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:33.795569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032215/publication.md
observed e4de3f5602ff58789f0ac53d6305981a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:33.778261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032215/publication.txt
observed 243bd572e0b23dc8711cdcdcd3a01208...
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.