OpenTechnical

OT-2026-000040550

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, 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-2026-000040550) never changes.

Identity and time

Publication numberOT-2026-000040550 · never reused
Internal UUID01a0ae79-6d0d-7939-beb6-8571e55c5f7a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040550
StatusPUBLIC

Content hashes

Canonical textc768408212aaa1ba83574a21b7b9c1aabd58c4a966e419a90c7ff99529fb8b02
Markdownd6c3c928de229a4b894c99a7bf2860f599a7a94d0e93e12c6ff2b5e5dc515913
PDF
Publication page3cf9df26cf5a70766eb4a1491e909abc1b02b3b56695ba0887bfd19be6f77cfc
Manifest15247eabe79c64156d64a87ed60d9b87650aac8ccfe2cc6a89f9c0fb77b886fc

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
SignaturebnUEwyBAbEgnsVrIEvvSKQBfbciE/6r4ou/jLuTHWD89bi1IHClThk08bdW2mIXqODpEBe3G6L0i0LPR4CuBAg==
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

2026-09-17T11:17:42.452682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040550
observed 3cf9df26cf5a70766eb4a1491e909abc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:42.436735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040550/manifest.json
observed 15247eabe79c64156d64a87ed60d9b87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:42.415596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040550/publication.md
observed d6c3c928de229a4b894c99a7bf2860f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:42.361902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040550/publication.txt
observed c768408212aaa1ba83574a21b7b9c1aa...
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.