OpenTechnical

OT-2026-000099195

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, 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-2026-000099195) never changes.

Identity and time

Publication numberOT-2026-000099195 · never reused
Internal UUID01a0aea2-8288-7d5e-b506-8161bcf737e7 · 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-2026-000099195
StatusPUBLIC

Content hashes

Canonical text2880bdda7871148aa49c3d044be4fc69de38c41e159c7670c4632e5e0ff3ae31
Markdown04c9f8dd151e7e74bd0cbf95c6ff1d613519797204b8adeb8ff81acba8ef4d5e
PDF
Publication page96a65191e3dbe8198d869e07ba45b89feeb3bbbd14f979af44805b038100546e
Manifesteae0ef8ca8b89602c032f9ed430cd4f87621d5bf65d756806eef2e61c8f4300c

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
SignatureC3sU7GtQkK4pJ65Nek7ngyylCvBjes4CWZlCWKyM62k50zShmFzzTNrG/P8xajia4DyLQQy9xxioccxD5cPADw==
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

2026-09-17T09:30:35.146960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099195
observed 96a65191e3dbe8198d869e07ba45b89f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:35.129600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099195/manifest.json
observed eae0ef8ca8b89602c032f9ed430cd4f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:35.111504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099195/publication.md
observed 04c9f8dd151e7e74bd0cbf95c6ff1d61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:35.091743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099195/publication.txt
observed 2880bdda7871148aa49c3d044be4fc69...
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.