OpenTechnical

OT-2026-000012655

Publication integrity record

Foam pad vacuum gripper, four zone face, three 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-2026-000012655) never changes.

Identity and time

Publication numberOT-2026-000012655 · never reused
Internal UUID01a0ae6d-5562-7665-9a94-eea0c67987a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012655
StatusPUBLIC

Content hashes

Canonical text849d20d85d19aef813efbee8c6583178b940f37c473441d743f84ca66a8fff8d
Markdown623ad7eb307f13598fa4f4e0e92f8047f696d9a46dd46b2530e50b0925d094b9
PDF
Publication page8eef9dcea21ec1e1af4087e15572dab91c8fad645817fb58abf6e5f419fe8c6f
Manifest4cf7306a7c3d8c45bdc8111f6dc24ce8d534101978c9f4dcab99d3024553a15c

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
Signature3TDCAmW3OIIr66rwpINGQRxLjBPiyraajLQGyygonV209d91t19O8dHgI7yuCLKJVOspx0ACAgwLr/Wr/UnoBw==
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

2026-09-17T12:10:17.456107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012655
observed 8eef9dcea21ec1e1af4087e15572dab9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:17.435160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012655/manifest.json
observed 4cf7306a7c3d8c45bdc8111f6dc24ce8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:17.416117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012655/publication.md
observed 623ad7eb307f13598fa4f4e0e92f8047...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:17.398432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012655/publication.txt
observed 849d20d85d19aef813efbee8c6583178...
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.