OpenTechnical

OT-2026-000021282

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000021282) never changes.

Identity and time

Publication numberOT-2026-000021282 · never reused
Internal UUID01a0ae6f-865c-7aaf-a192-92546e407c64 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021282
StatusPUBLIC

Content hashes

Canonical text234c5f8676721ea2586be2eb2ab0a3776b917f5257ac845d04990d25ab024a50
Markdown9fb6ba4a45f403d334e2d507bcd7161d0fbd5b69b1dd8d958a07357136832e7e
PDF
Publication page2788eaf1171460e9c500c8ed0434eb3ee685783e515c949dbafb1dde6bf0c45d
Manifest59781b0460a1111d147dca5744c9cd432fd4f19e1420c1c6859c89e338717127

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
Signature1jKEqw3TaCLa8RwB8aSmWCtv7WizItWoDuV4ytcocXNngvk2M5nKNgEv6hHOdIMUDCD5HwXtnyjhTTbDHTtbCA==
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

2026-09-17T11:55:06.842421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021282
observed 2788eaf1171460e9c500c8ed0434eb3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:06.824601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021282/manifest.json
observed 59781b0460a1111d147dca5744c9cd43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:06.805645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021282/publication.md
observed 9fb6ba4a45f403d334e2d507bcd7161d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:06.786654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021282/publication.txt
observed 234c5f8676721ea2586be2eb2ab0a377...
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.