OpenTechnical

OT-2026-000100374

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, single stage ejector, pressure sensor per zone, 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-2026-000100374) never changes.

Identity and time

Publication numberOT-2026-000100374 · never reused
Internal UUID01a0aea3-66ee-7173-8b23-e98501fc25f3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100374
StatusPUBLIC

Content hashes

Canonical textb9bcaaee622026fd3255cf77e63677681a6a61577197ba545a017842634434f1
Markdown7d2ff054e07bf751eb8157a5e31916afc187119f8907bc1b68cb7e7d520f5985
PDF
Publication pageddce79f490de5c2310ff058c3a4a3ea48eff1ad9cf0d2557e414a695fe1ea186
Manifesta976c7f05a67e54f7dac0d7c35224b3fd3f723c379eec7e01f065f950a36e8cc

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
Signature1QKFfeWSmkphKbLkgaXOsPe8vk0vZq6SOBHDnZcbVzkDJNSOIScJiKDeEKL4HO09Vutbh4IjWu5tLsghnA19Cw==
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

2026-09-17T09:27:06.092423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100374
observed ddce79f490de5c2310ff058c3a4a3ea4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:06.074518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100374/manifest.json
observed a976c7f05a67e54f7dac0d7c35224b3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:05.938828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100374/publication.md
observed 7d2ff054e07bf751eb8157a5e31916af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:05.921555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100374/publication.txt
observed b9bcaaee622026fd3255cf77e6367768...
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.