OpenTechnical

OT-2026-000018370

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, three stage ejector, manifold pressure sensor, pulsed 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-2026-000018370) never changes.

Identity and time

Publication numberOT-2026-000018370 · never reused
Internal UUID01a0ae6e-b489-721b-af0a-ed5e2c47c4ff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018370
StatusPUBLIC

Content hashes

Canonical text105d40c19ccb9a6b9c9851c24c0024bb837c1527bb427c53af0241e8e443ba6a
Markdownc01f3cae7edd3762b625779bc48ba4309059ffb5db6fc091515ae437e4af3441
PDF
Publication page0b4b412fad1791b810c2f15b9bc22a0ce39c418fa081150815b632ddd961c7b0
Manifest23617c3531b996ac6646894da9316229902d47f5e500e0e21559af775ae82479

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
SignatureF8lw/UCHtK+8QSbPI6ZXwI9fUYjt4Rdt1PtsfVg5/ECcAhsYGkEBxxu9uyMsEnPSJqIy781MX55IMQ18yfY6CA==
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

2026-09-17T12:01:06.437719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018370
observed 0b4b412fad1791b810c2f15b9bc22a0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:06.418341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018370/manifest.json
observed 23617c3531b996ac6646894da9316229...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:06.401333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018370/publication.md
observed c01f3cae7edd3762b625779bc48ba430...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:06.384697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018370/publication.txt
observed 105d40c19ccb9a6b9c9851c24c0024bb...
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.