OpenTechnical

OT-2026-000044744

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, pulsed 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-2026-000044744) never changes.

Identity and time

Publication numberOT-2026-000044744 · never reused
Internal UUID01a0ae7c-911a-7411-8a6c-e1d025c43737 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044744
StatusPUBLIC

Content hashes

Canonical text3dbe026a3d517d434cc5cb7fe48f0fae7cd05dce70e964fdaf636352222e3e5c
Markdownec064625d9892d2c6cbc0209569454ebcacb9a17b576c1d9912b2cecb90d7d6e
PDF
Publication page77b1f7787546aa5edf8fe996df78292384e13cf59f07ade7432eaecad1077370
Manifest7ed87ad541bb286ed32729636a0db6153d062907e0f993424766925bbb204f0a

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
Signature0g8VI7yeUYPKq/MAS3miRrLgO6WkdcSvzfkhY4HEKyETSF4OYUevr5194wQKeUOtPgpao5nyi8Bfwlir9O0vDA==
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

2026-09-17T11:11:21.534022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044744
observed 77b1f7787546aa5edf8fe996df782923...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:21.514932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044744/manifest.json
observed 7ed87ad541bb286ed32729636a0db615...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:21.495688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044744/publication.md
observed ec064625d9892d2c6cbc0209569454eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:21.477510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044744/publication.txt
observed 3dbe026a3d517d434cc5cb7fe48f0fae...
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.