OpenTechnical

OT-2026-000074862

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, vented 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-2026-000074862) never changes.

Identity and time

Publication numberOT-2026-000074862 · never reused
Internal UUID01a0ae93-ac2c-7541-9ed6-2f79867f1813 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074862
StatusPUBLIC

Content hashes

Canonical textd344d5f2eac475d515df3ae607780ba042485dca4d714a0dec9c30a9173cee50
Markdownecd7a423ed6cbf1f1d27a02713ba829686a9752fe159913ecf6d22f22f757822
PDF
Publication page9ec89fc801f0fcee3d382a2f08b0ea9a11cff39a592e6863e8d73f3b4505f06f
Manifest88584a40e71aabcaa4bad04dd2c8b3837648e7c65672af6c275aa2bd431b51e2

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
Signature+t/w3yHCxT7HKsTU4M3bvhCLbGCl8xZ9/062cP6OtSyrA6vMFjlhWHPQhgm5FDhXRph6csUeIzsbgfbA9PmAAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:18:34.687500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074862
observed 9ec89fc801f0fcee3d382a2f08b0ea9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:34.670644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074862/manifest.json
observed 88584a40e71aabcaa4bad04dd2c8b383...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:34.653823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074862/publication.md
observed ecd7a423ed6cbf1f1d27a02713ba8296...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:34.636623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074862/publication.txt
observed d344d5f2eac475d515df3ae607780ba0...
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.