OpenTechnical

OT-2026-000104534

Publication integrity record

Foam pad vacuum gripper, four zone face, single stage ejector, pressure sensor per zone, pulsed blow-off after 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-2026-000104534) never changes.

Identity and time

Publication numberOT-2026-000104534 · never reused
Internal UUID01a0aea7-239f-7ab1-bfa3-ae65c2d5497b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:16:24.420933Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104534
StatusPUBLIC

Content hashes

Canonical text7687f055ee7f170bcdedbc2a32a857da9028eaeb95387524ad716328d2a80e19
Markdownbd6b8b0db6c5b694c4bcc54e48b06e089812bfcba5b92ff8c4256dc4fd35c4b6
PDF
Publication page456bad2e49f49b790c833d330729b4a4a92d245c64ab372cb103ba4ba5ec1e4f
Manifest3c802a89c6333ef1fef30abfcb61ef06d2c4cbc28dd8dacb53b3678faead5831

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
SignatureFW6IkyDN+cMFpuJe3rGAjmc2VpMnUDIm36GJLwToWdEWm3T4thliyfjnPIoO89vjEjQwr9gTjulg9yo14OAdAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:20:03.111695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104534
observed 456bad2e49f49b790c833d330729b4a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:03.092297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104534/manifest.json
observed 3c802a89c6333ef1fef30abfcb61ef06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:03.076879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104534/publication.md
observed bd6b8b0db6c5b694c4bcc54e48b06e08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:03.060089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104534/publication.txt
observed 7687f055ee7f170bcdedbc2a32a857da...
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.