OpenTechnical

OT-2026-000099207

Publication integrity record

Foam pad vacuum gripper, three zone face, four 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-2026-000099207) never changes.

Identity and time

Publication numberOT-2026-000099207 · never reused
Internal UUID01a0aea2-8288-78f4-87f9-20aaf7dc28bb · 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-2026-000099207
StatusPUBLIC

Content hashes

Canonical text8392308a38261170e86c6812508a7b8833f89eb2f0b04cee0ff27c2aea5053bd
Markdown6dc33a1958b9d728ee17c24f67bbe4d9a905e9f45f30b59dc0fb09621d5e87f5
PDF
Publication page7fa2c38a5857471a117333533468fa91b2b34f2c9d5ee9388981f3f4dc1e58c5
Manifest8484b317d2594b8e0e85af29d18835ac85332ccaca43eacea2c7f36d9e7df5da

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
SignaturesQokv7RyF9/6XQmsZmMLWPMOpJB5KWB3syl72/gN8dnKdQuze5C3l2ZaxNbWJClsOafP0NkVgRPHrRoge1dUAw==
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

2026-09-17T09:30:36.039442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099207
observed 7fa2c38a5857471a117333533468fa91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:36.019580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099207/manifest.json
observed 8484b317d2594b8e0e85af29d18835ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:36.000646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099207/publication.md
observed 6dc33a1958b9d728ee17c24f67bbe4d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:35.981605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099207/publication.txt
observed 8392308a38261170e86c6812508a7b88...
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.