OpenTechnical

OT-2026-000098872

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, plant vacuum 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-2026-000098872) never changes.

Identity and time

Publication numberOT-2026-000098872 · never reused
Internal UUID01a0aea2-8286-7010-9cc3-1cf331c87a4c · 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-2026-000098872
StatusPUBLIC

Content hashes

Canonical text9443c78c29054de320d0b2d307ec57b7de43816477ba3eda2e383338d60759c8
Markdown92f8e61309923a47f06dfaec4db82bcaab05bee77d05e803f133db9739ca4c80
PDF
Publication pageb4caf9037a11af33a821b1e8e40b6e928a5016a91687a386d04ad3010b48e2c2
Manifeste764de9f3fd0bf213c5add0368f700a96122943c70da25d71e3de91e901e0c49

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
SignatureiUu7lxccsIrYMXWDNzk7khXEcu5lPFfyFcE9kYWXj7ROgl7BON0BH/2vqFJePp8Wb4ixwGWIpaap2TLysGZ8BQ==
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

2026-09-17T09:29:55.205775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098872
observed b4caf9037a11af33a821b1e8e40b6e92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:55.188745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098872/manifest.json
observed e764de9f3fd0bf213c5add0368f700a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:55.170294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098872/publication.md
observed 92f8e61309923a47f06dfaec4db82bca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:55.152872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098872/publication.txt
observed 9443c78c29054de320d0b2d307ec57b7...
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.