OpenTechnical

OT-2026-000099519

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, pump fed, manifold 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-2026-000099519) never changes.

Identity and time

Publication numberOT-2026-000099519 · never reused
Internal UUID01a0aea2-c974-73c4-8933-1acde08d0103 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099519
StatusPUBLIC

Content hashes

Canonical textb7395aa2fe952dc0e8a8b15320233554dfe1117dd7b2796476259091922eb5ea
Markdown73e201213db1085f8e07b6a68f3f868875bb74d62b9dc89c7e62f0a53609d863
PDF
Publication page9985081eec124346fbee8bf076fdb1ecd62d1ed6794fe0acaa33b5fcd38a803a
Manifest7bf1f4b9610358a289daaaebcbee817372dc82a469dce273d6e1602b6c2bc2ed

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
SignatureKbnMvvmDvpG6PeZ9y50z1mW+DG64v8VwKLdE43X7MDGAZF03dfCDzks/d8htzi2EB2Z5iiQuzbcsnodNB3NmBQ==
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

2026-09-17T09:29:25.064127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099519
observed 9985081eec124346fbee8bf076fdb1ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:25.044600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099519/manifest.json
observed 7bf1f4b9610358a289daaaebcbee8173...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:25.003349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099519/publication.md
observed 73e201213db1085f8e07b6a68f3f8688...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:24.959931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099519/publication.txt
observed b7395aa2fe952dc0e8a8b15320233554...
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.