OpenTechnical

OT-2026-000029525

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line 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-2026-000029525) never changes.

Identity and time

Publication numberOT-2026-000029525 · never reused
Internal UUID01a0ae73-5e21-764d-ba13-7a525bfc7113 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029525
StatusPUBLIC

Content hashes

Canonical textcf0562bad2970e9411b4930846742a9a19189a2df363330824aa0b1e21fec5dc
Markdown82e5b46737fd2d2fa4f45cf117bae4404f8447c4291f7dfa5ce1c3e088cc6549
PDF
Publication pageda1abbe503477ddf52529a5a55fccf3dcd5e36874e0389df4b79f3a05c37a0e6
Manifestabd71dfcfe68b8125d6b1c3d691bd565b8091f392541266e6fd7fa6f4dab2c0b

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
SignaturesHnpUlMWjOf6dp+NqLhwx5p7xQfnzUTJLQkkTrimfqRud9x+5j8VGEdSXP6sSDeEn5glopX3FeW77hR7ibbRCA==
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

2026-09-17T11:39:10.445476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029525
observed da1abbe503477ddf52529a5a55fccf3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:10.428165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029525/manifest.json
observed abd71dfcfe68b8125d6b1c3d691bd565...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:10.410416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029525/publication.md
observed 82e5b46737fd2d2fa4f45cf117bae440...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:10.390974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029525/publication.txt
observed cf0562bad2970e9411b4930846742a9a...
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.