OpenTechnical

OT-2026-000079113

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, pump fed, pressure sensor per zone, pulsed 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-2026-000079113) never changes.

Identity and time

Publication numberOT-2026-000079113 · never reused
Internal UUID01a0ae95-ccbf-745e-bf18-93900f292ce1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079113
StatusPUBLIC

Content hashes

Canonical text28bbe737d6e5d592dab505571a436dbc2a3fe07476e523b318d8bf93f67759b4
Markdown25820a49f5ffa4fc0718f4fc8a8cadcaa3db4b449625e3a9d0960322e473a777
PDF
Publication pagef4ddd93ebf5b7abd9bae59df90b3276108a64eb09f94810bbbc3e0929311475f
Manifest82862e75f41fe8433e56b5ce02637d66a66aacdd7bf18d3f4179cd9fb329575c

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
Signature4GvbFo1uDA8jxERAq+SEh3OC0hSlsR2NOQkc0SVYEH+NfrEFzmpt3LqnH14E5FpjIBc2njr9bzAXHgccagNpCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:05:57.677494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079113
observed f4ddd93ebf5b7abd9bae59df90b32761...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:57.661289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079113/manifest.json
observed 82862e75f41fe8433e56b5ce02637d66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:57.640658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079113/publication.md
observed 25820a49f5ffa4fc0718f4fc8a8cadca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:57.620861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079113/publication.txt
observed 28bbe737d6e5d592dab505571a436dbc...
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.