OpenTechnical

OT-2026-000030498

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off before 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-2026-000030498) never changes.

Identity and time

Publication numberOT-2026-000030498 · never reused
Internal UUID01a0ae73-e504-7f4e-8c2e-6ea928c4b10d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030498
StatusPUBLIC

Content hashes

Canonical text3772f28947121ab50088743adb9032e335fc0d2c8042fdae15f7bd43d79ee388
Markdownc394f23de0ddfbb3306a81111113f345f476925a894f063933b94b3ac7a16abf
PDF
Publication page7db76e18ac7d66de3b2a975a14ad9d2cfc095291405351b8f62ddc98d8bb224c
Manifest1c2ffe8bac4b0bdfe58ae6982512724f9beb4373a56008842e9482de4d416d4f

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
Signature3HPZWcwLhJp8uFoB0hHJwUDBcoJeenFF0px/jg/hpSkrNt2zIy7WTgfXB7gzIxwGwzMekD4ONd5MfqxaPhoKDQ==
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

2026-09-17T11:38:21.186911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030498
observed 7db76e18ac7d66de3b2a975a14ad9d2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:21.169904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030498/manifest.json
observed 1c2ffe8bac4b0bdfe58ae6982512724f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:21.150160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030498/publication.md
observed c394f23de0ddfbb3306a81111113f345...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:21.133543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030498/publication.txt
observed 3772f28947121ab50088743adb9032e3...
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.