OpenTechnical

OT-2026-000079119

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-2026-000079119) never changes.

Identity and time

Publication numberOT-2026-000079119 · never reused
Internal UUID01a0ae95-ccbf-7502-a71e-aff10ec81b67 · 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-2026-000079119
StatusPUBLIC

Content hashes

Canonical texte35b6066d1aea76d40c6f668477ab4ab7af264a9965cac88e6d6f1ef9fc1f905
Markdown8f040723a481b9cdd6c4f83ee7add7e46174ebd5086371a00658d0d1e289f6ce
PDF
Publication page696224171252fd3c4ae811b78c1c9699783d60b177ef61a9d89abd6ff6817c32
Manifest1e7cb2c78cc080c762a325b6b39dcf8ddfdc25f009d16103d1d36c6dd0329ca0

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
SignatureEUI53cZCYEuEr0FsNnbGyh2j5MPqLwAgcfkfrrKxQib4KdZbHUx2t/Uv91clvUMfLc7Adi03PfJ5teZ+JGa6Aw==
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

2026-09-17T10:05:58.059439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079119
observed 696224171252fd3c4ae811b78c1c9699...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:58.040101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079119/manifest.json
observed 1e7cb2c78cc080c762a325b6b39dcf8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:58.022136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079119/publication.md
observed 8f040723a481b9cdd6c4f83ee7add7e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:58.002478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079119/publication.txt
observed e35b6066d1aea76d40c6f668477ab4ab...
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.