OpenTechnical

OT-2026-000057199

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, pump fed, supply line pressure sensor, 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-2026-000057199) never changes.

Identity and time

Publication numberOT-2026-000057199 · never reused
Internal UUID01a0ae87-d5ba-7019-b94c-d433b1c691cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057199
StatusPUBLIC

Content hashes

Canonical text67d5bb2f2b2ffaa42c659722a8706e0c120b3190be9ab3c08b8b839ab24eb0cb
Markdown0cad73b2dbf38de0d9628bb52f032cdda7e64c26ebb34e78c96c0f2c5072b80b
PDF
Publication page2755406da4237aed032ff99501d0b7d8865fddc5cfa3598a43ae400b95a1ec9f
Manifest36d3cd26acfe7b0f1d1e2f2d969c4afc94281decc04b47c6953dbf35807aa56a

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
Signaturewg/aKs5pyD/zNa0l6nnbgdcPwcRzU91/utjvC6ezF6zvTX+XuZk1pHFW7PxK+7shYzymSV+7JfE2cpdSo28wBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:14.794208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057199
observed 2755406da4237aed032ff99501d0b7d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:14.774214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057199/manifest.json
observed 36d3cd26acfe7b0f1d1e2f2d969c4afc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:14.754491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057199/publication.md
observed 0cad73b2dbf38de0d9628bb52f032cdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:14.659752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057199/publication.txt
observed 67d5bb2f2b2ffaa42c659722a8706e0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:20.556577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057199
observed 2755406da4237aed032ff99501d0b7d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:20.538551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057199/manifest.json
observed 36d3cd26acfe7b0f1d1e2f2d969c4afc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:20.520314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057199/publication.md
observed 0cad73b2dbf38de0d9628bb52f032cdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:20.502352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057199/publication.txt
observed 67d5bb2f2b2ffaa42c659722a8706e0c...
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.