OpenTechnical

OT-2026-000023739

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, 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-2026-000023739) never changes.

Identity and time

Publication numberOT-2026-000023739 · never reused
Internal UUID01a0ae70-aed4-795b-a22a-7938baa5ed10 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023739
StatusPUBLIC

Content hashes

Canonical texte062551b4593f7deab69c4848dbd03cd8b9ee27bf258cb9d31555320ec7266ba
Markdown39af5ff3798219ddc90e4cdc3c948f83fea1eb3efdcd5985bd48b91b6046c068
PDF
Publication page355fb36c6c7e31bff2efd0d32dd75d0c7c816f5871bb66bce7b8ca7bc3644dad
Manifest089156964d142ef074ff6d176fb3172d2b7641442e0217455e5a559a5c480dbc

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
SignatureUT+kqS+sZpoTlSpk+puqXTS2rza0QBHprBIEQPMCB2Ql51ATCS/+FZA0i8m6QYrKpR5h5U6+bjdiVTVShF7FDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:43:03.559430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023739
observed 355fb36c6c7e31bff2efd0d32dd75d0c...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:43:03.370689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023739/manifest.json
observed 089156964d142ef074ff6d176fb3172d...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:43:03.118091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023739/publication.md
observed 39af5ff3798219ddc90e4cdc3c948f83...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:43:02.896759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023739/publication.txt
observed e062551b4593f7deab69c4848dbd03cd...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T11:50:05.118431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023739
observed 355fb36c6c7e31bff2efd0d32dd75d0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:05.100555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023739/manifest.json
observed 089156964d142ef074ff6d176fb3172d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:05.082606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023739/publication.md
observed 39af5ff3798219ddc90e4cdc3c948f83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:05.066244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023739/publication.txt
observed e062551b4593f7deab69c4848dbd03cd...
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.