OpenTechnical

OT-2026-000025002

Publication integrity record

Foam pad vacuum gripper, single stage ejector, supply line pressure sensor, sustained 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-2026-000025002) never changes.

Identity and time

Publication numberOT-2026-000025002 · never reused
Internal UUID01a0ae71-2728-7a08-8330-b79cdcef03e3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025002
StatusPUBLIC

Content hashes

Canonical text07a0bae3ec8ea7c1c56af96163128a56d3bd5bd772865fa3e88458586bd13b54
Markdowncbf02d6bc029e43409bcc154720969facbeeffe0105a19c29a1692736682f8ea
PDF
Publication pagec2b3815aa7da12d7ecf114a3fa830d5533cc6d67cfc56bbfada31da490c89232
Manifest23346c00f76d887164df20474aee1d6c36ad6f33d0cd5bac2f31278d76364936

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
Signature5HV2rxbinKg2gjHzxqxr72mUs73+VJwBibRXh5bxz4fo16SolL4TeDSCAWzhPO2FqSb9Y9uunqjGf5z8s7jHAA==
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

2026-09-17T11:48:23.929490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025002
observed c2b3815aa7da12d7ecf114a3fa830d55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:23.911295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025002/manifest.json
observed 23346c00f76d887164df20474aee1d6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:23.892351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025002/publication.md
observed cbf02d6bc029e43409bcc154720969fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:23.872232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025002/publication.txt
observed 07a0bae3ec8ea7c1c56af96163128a56...
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.