OpenTechnical

OT-2026-000033754

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, pulsed blow-off after 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-2026-000033754) never changes.

Identity and time

Publication numberOT-2026-000033754 · never reused
Internal UUID01a0ae75-a390-7452-8d19-0f6fc6e973c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033754
StatusPUBLIC

Content hashes

Canonical textac28bb35d955109e30a752c449be0f6e051a284a8e618cb98b0a3b7f822970d6
Markdowndf4818ce25a72534ad7e51cb2d76900a02c2f19a09b4b06c0d7742a394e3e112
PDF
Publication page40caf60bc35a9ab7aadb1c857e66b45fea69a96d1798ee7bb69ff519232e244c
Manifest5e0b88b3122e36864bed6ca9098882a591b0109cb35cb59fdc6b402203990944

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
SignatureqVE7J44DeRS5ERay2XbA0AhjlT7bbqGC2AXNzSdxVgpKgKVxpKFt+PgPrSu7KRpR6t6QXqTCro7XiSgVm+6YAQ==
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

2026-09-17T11:31:46.042794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033754
observed 40caf60bc35a9ab7aadb1c857e66b45f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:46.023421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033754/manifest.json
observed 5e0b88b3122e36864bed6ca9098882a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:45.996684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033754/publication.md
observed df4818ce25a72534ad7e51cb2d76900a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:45.978398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033754/publication.txt
observed ac28bb35d955109e30a752c449be0f6e...
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.