OpenTechnical

OT-2026-000012756

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, pulsed blow-off before 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-2026-000012756) never changes.

Identity and time

Publication numberOT-2026-000012756 · never reused
Internal UUID01a0ae6d-5562-7dd0-8505-74da926726dd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012756
StatusPUBLIC

Content hashes

Canonical textb5f922ea6c4a39aea6efc8361f994e48831bb2e05a27f199e4bee80c45d4ba7c
Markdownac8a2187a7ca597994dc975958dc21e31b1918c633aaa5e8d4a4426bf304c036
PDF
Publication page9bf2e23b0f1940aa8d0f3ac98e55a70843a761a999a4b4cae8bba01bddb64fea
Manifest9d7f8fd7753327d36f553014555ea706e02ba20265534a50656fd3a9acfca57e

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
SignatureQxvOi0RdH4xSYuEh34bmyHPmw0Y0uum9VPYd44smie4e5uc+YGG1B44MaX81tBSCARG6lBm9iDhIAeIV44AgAQ==
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

2026-09-17T12:10:27.799823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012756
observed 9bf2e23b0f1940aa8d0f3ac98e55a708...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:27.776913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012756/manifest.json
observed 9d7f8fd7753327d36f553014555ea706...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:27.724210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012756/publication.md
observed ac8a2187a7ca597994dc975958dc21e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:27.675147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012756/publication.txt
observed b5f922ea6c4a39aea6efc8361f994e48...
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.