OpenTechnical

OT-2026-000097887

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, two stage ejector, supply line 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-2026-000097887) never changes.

Identity and time

Publication numberOT-2026-000097887 · never reused
Internal UUID01a0aea1-92f7-7286-8e8f-01151fddc3e3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097887
StatusPUBLIC

Content hashes

Canonical textef97e9b80bb8db94430110d587d62b4fcce12ecc7f4350f5065e248927a7287f
Markdown036711847c8a885c5ec87d4623c621eb3c116430a60fb307481c3a6fd9f29dbf
PDF
Publication page3d6fe7f7443999454bf89644f56465a54393fa84f69c898c32c61106a856d667
Manifest6c840881fdb33ceabcbf6f8cb33c72ee588571812ac7ad42cc7464c25a01eddf

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
SignatureH8MIR/vv9CqqCpYUWPHi9jbwVcSG+UiACe6SMxjuvuVf+N5puUiK8A5uCA+d6V2aUKk62cnJ2RXZcYWfR8j6Bg==
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

2026-09-17T09:33:00.405502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097887
observed 3d6fe7f7443999454bf89644f56465a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:00.384942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097887/manifest.json
observed 6c840881fdb33ceabcbf6f8cb33c72ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:00.366111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097887/publication.md
observed 036711847c8a885c5ec87d4623c621eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:00.345358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097887/publication.txt
observed ef97e9b80bb8db94430110d587d62b4f...
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.