OpenTechnical

OT-2026-000099172

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, manifold 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-2026-000099172) never changes.

Identity and time

Publication numberOT-2026-000099172 · never reused
Internal UUID01a0aea2-8288-7328-968b-421cbdb76845 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099172
StatusPUBLIC

Content hashes

Canonical text6f8f57e2be266e890c06d1bc0be733f88145fe6b96cdca4a92b750207607e04d
Markdown27b7aed36ba05ed988669dece91a7a664c99790c75c284bf5501af06ff01ad74
PDF
Publication page20ae754af1d06bbabde1cc0ec0fd2e626f49fa15f12cd45f23d11c76d82c6f93
Manifest3ef9b2ee69b6e8d3db7f725869abd6d785a4ef61510b6a6ed09be0493f1a92f1

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
Signature+jOU5Ibdgqiu0OdpfbuTsg9vjWuBfju+DvPH/QM6adErKl5nOIzErduVMyaNEeYmP8J/cU4cNjdpEckdnRjKCw==
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

2026-09-17T09:30:33.325347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099172
observed 20ae754af1d06bbabde1cc0ec0fd2e62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:33.307228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099172/manifest.json
observed 3ef9b2ee69b6e8d3db7f725869abd6d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:33.288985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099172/publication.md
observed 27b7aed36ba05ed988669dece91a7a66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:33.273163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099172/publication.txt
observed 6f8f57e2be266e890c06d1bc0be733f8...
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.