OpenTechnical

OT-2026-000044546

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, three stage ejector, supply line pressure sensor, sustained blow-off after set-down

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-2026-000044546) never changes.

Identity and time

Publication numberOT-2026-000044546 · never reused
Internal UUID01a0ae7c-39d9-76ef-9885-eb296a08b885 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044546
StatusPUBLIC

Content hashes

Canonical text13886a4dde8be3a79309f6f8910c157fdc983af029e1187118e5ce749c1d99bb
Markdown38abdec24a52d633825026fdbb790b1a79de6b6ba2d0e54ff6e1141e3f811d34
PDF
Publication page3f0fe5ea1655ea770cb21c1bd6bb2559803d4bd127d6d439ae4f707718216770
Manifest42c3c3ad747bd0e59ecec095ad979389f0b3f527bdb7a45b4812ce22dbbdfd2f

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
SignatureQLNraLzUVnowb8fjqSn4HE3AIAeyo4dc6V6IwC/k95TMW/fA0RfdLmuTwzlr+zkOxa8C/M4ZepoJyZUqXTYFCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:11:43.984831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044546
observed 3f0fe5ea1655ea770cb21c1bd6bb2559...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:43.965151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044546/manifest.json
observed 42c3c3ad747bd0e59ecec095ad979389...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:43.947184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044546/publication.md
observed 38abdec24a52d633825026fdbb790b1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:43.930668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044546/publication.txt
observed 13886a4dde8be3a79309f6f8910c157f...
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.