OpenTechnical

OT-2026-000099936

Publication integrity record

Foam pad vacuum gripper, four zone face, pump fed, pressure sensor per zone, 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-2026-000099936) never changes.

Identity and time

Publication numberOT-2026-000099936 · never reused
Internal UUID01a0aea3-1473-770c-824b-5c8cd5a151ee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099936
StatusPUBLIC

Content hashes

Canonical text9b4e5f7542fb7a79d5757ef42a9ce3f3acf513d6334da9551a64986b48c0f7bd
Markdown073800ac1da6af1726a1c0377b8b8084e2b02f873660c99700b418d7bf9f05c3
PDF
Publication pageb17c8b353c967447807674e15f70b470862e641fd7e125031827785530cd4839
Manifestb73da9d661ae5ae703ca25b5f8cd36d275f3292acfe4f55e3f0d1b30ad07f79f

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
SignatureTH1+RwLgqC3/77e9kUat2dlDbY5AIgU9d14i+PAR8ktYhrdBuMEbG8KPMXTLtEoFYjPfBrUswia5u7Gr+YCtAA==
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

2026-09-17T09:30:35.029521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099936
observed b17c8b353c967447807674e15f70b470...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:35.008730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099936/manifest.json
observed b73da9d661ae5ae703ca25b5f8cd36d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:34.990458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099936/publication.md
observed 073800ac1da6af1726a1c0377b8b8084...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:34.974329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099936/publication.txt
observed 9b4e5f7542fb7a79d5757ef42a9ce3f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:50.605569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099936
observed b17c8b353c967447807674e15f70b470...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:50.587268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099936/manifest.json
observed b73da9d661ae5ae703ca25b5f8cd36d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:50.567399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099936/publication.md
observed 073800ac1da6af1726a1c0377b8b8084...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:50.548552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099936/publication.txt
observed 9b4e5f7542fb7a79d5757ef42a9ce3f3...
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.