OpenTechnical

OT-2026-000099206

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, pump fed, manifold pressure sensor, sustained blow-off before set-down

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-2026-000099206) never changes.

Identity and time

Publication numberOT-2026-000099206 · never reused
Internal UUID01a0aea2-8288-771b-8a51-798ea5fdcb19 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099206
StatusPUBLIC

Content hashes

Canonical textf781580694184b81bc49f1d7f33f3760e02cc69ef0a2adec9b7f87959578c2ac
Markdowneb643035d911893f91519a3291c6dc58c0e75c8991163f4425cb12960116394f
PDF
Publication page9f266206779d8865fd36289f96ef9fe8d776deb695a29d8705cdb4233378465d
Manifest531bade7419eaabe516e670e94dd31a3f9908b602038cdb77597e0d509fc553b

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
Signature/xeJ0AN+1AnbL9EYFJcsvUjBGeXyJgF8vbHK8CL3WmapYLUahg7enGo2JnKJoCaD5uWr9zbxoAzLXaZeARVrDQ==
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

2026-09-17T09:30:35.957271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099206
observed 9f266206779d8865fd36289f96ef9fe8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:35.937793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099206/manifest.json
observed 531bade7419eaabe516e670e94dd31a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:35.919145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099206/publication.md
observed eb643035d911893f91519a3291c6dc58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:35.901593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099206/publication.txt
observed f781580694184b81bc49f1d7f33f3760...
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.