OpenTechnical

OT-2026-000099766

Publication integrity record

Foam pad vacuum gripper, three zone face, two 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-2026-000099766) never changes.

Identity and time

Publication numberOT-2026-000099766 · never reused
Internal UUID01a0aea2-c977-7f29-b8ec-199ef762a16c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099766
StatusPUBLIC

Content hashes

Canonical text9c18aa50a20e23322ef0fb8d4d534f2091818f5bcce243614765d68c60fb9998
Markdown8e8c79d92e9480459d658f5f06abb7ee4487eaa9ce42374a81e31bec1db6c33f
PDF
Publication page1c0011f0684fc573072a725c9be32e77de717f4b6b39d36391c096c9fdc98a43
Manifestdc7720c4c6c0adbd0cb2fd7fac73d45105125ff0949220b812b24fef49d3a660

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
SignatureT+4YwyzeSJgJhdPDhCzzwfhzLSw18CH4ahonKlY/LiCToUN4pe5VWAgujMNhdjIQFhT8Px0L8EvQ9C8tTrP+DA==
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

2026-09-17T09:29:47.864435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099766
observed 1c0011f0684fc573072a725c9be32e77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:47.846507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099766/manifest.json
observed dc7720c4c6c0adbd0cb2fd7fac73d451...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:47.827980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099766/publication.md
observed 8e8c79d92e9480459d658f5f06abb7ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:47.809784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099766/publication.txt
observed 9c18aa50a20e23322ef0fb8d4d534f20...
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.