OpenTechnical

OT-2026-000099613

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump 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-2026-000099613) never changes.

Identity and time

Publication numberOT-2026-000099613 · never reused
Internal UUID01a0aea2-c975-7cd6-96c1-015e3715a180 · 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-2026-000099613
StatusPUBLIC

Content hashes

Canonical text7cd00fb872960500f72aa3244212ac4aac4d9e2d687c5034214ff6dca5052671
Markdown62e536c6a598cc8918f2bc62a09b8af9443897ee6e2dcb18e3da6b442ba5c58c
PDF
Publication page7995e8d08f03c246de80f828df810ba7938221f6ec2da82bdfe647e9089425ad
Manifestb60088a1942d5e8d8e4d32356ca1c6763f6a87ee0f76941a5ddc97008366811a

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
SignatureegvQVLoRCZSqAgCEsYOwmcv3A8BQVLQ53zrPlx6Rkujrzj5E9H/ql/vNKvYs3PLip81sJM2TEiKv37WA7lI+Cw==
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

2026-09-17T09:29:32.576770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099613
observed 7995e8d08f03c246de80f828df810ba7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:32.559779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099613/manifest.json
observed b60088a1942d5e8d8e4d32356ca1c676...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:32.543950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099613/publication.md
observed 62e536c6a598cc8918f2bc62a09b8af9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:32.527376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099613/publication.txt
observed 7cd00fb872960500f72aa3244212ac4a...
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.