OpenTechnical

OT-2026-000095739

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, two stage ejector, 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-2026-000095739) never changes.

Identity and time

Publication numberOT-2026-000095739 · never reused
Internal UUID01a0ae9f-fac6-7704-8903-5ee2743c29aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095739
StatusPUBLIC

Content hashes

Canonical textdc38560f9bd34e63ba5d70f8f68fa2057bbbb83ab6653afe9bb82fdc6357cb42
Markdown7d63afb73331b08d519d03986919cf5c14fcf3db638c80e168470329360662b5
PDF
Publication page11c090b30d364cdb7e8f24b3685685cf3b909a6ddda0aa1aa414e3b9281fbb36
Manifest5b95e33fdff133e9958b60608a10416230fe4b08f350e2640426a6634741df4b

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
SignatureRzncxVFI0jM6sbpVDLnYXzYrH6Oc48uvqbjAXIKF3KiMd8eccoFfYpYDGERx2yAz6iwz2IekAkKXc3wo495+CA==
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

2026-09-17T09:35:18.219500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095739
observed 11c090b30d364cdb7e8f24b3685685cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:18.200519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095739/manifest.json
observed 5b95e33fdff133e9958b60608a104162...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:18.180462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095739/publication.md
observed 7d63afb73331b08d519d03986919cf5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:18.162261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095739/publication.txt
observed dc38560f9bd34e63ba5d70f8f68fa205...
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.