OpenTechnical

OT-2026-000014620

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000014620) never changes.

Identity and time

Publication numberOT-2026-000014620 · never reused
Internal UUID01a0ae6d-d092-7670-8b8e-920108c5840b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014620
StatusPUBLIC

Content hashes

Canonical textadf9857bb6ffded4b69ede462359563c980b4f121329c70d43acc84dc6cc11e5
Markdownc065dc43f65d77a0d82877c98cdd8588a9156468e1566a9f42794711f3cd9735
PDF
Publication page4b080baf16b7f1733498fb12eda08f6536b9f2c402af9a23613a9da79e0f7e45
Manifestcfc75464295c2728c111792a773e877f7df906927775342bd4514abf66ec8040

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
Signaturer+47c9jdg0tHYigDRJD0DIO/L9WrxPwXtRDtBEgZWJnkLW7tz3G4iPFwhigBCgfd3QlAA/8NGBsMvCzncOoXCA==
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

2026-09-17T12:06:25.938683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014620
observed 4b080baf16b7f1733498fb12eda08f65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:25.919948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014620/manifest.json
observed cfc75464295c2728c111792a773e877f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:25.899502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014620/publication.md
observed c065dc43f65d77a0d82877c98cdd8588...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:25.877842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014620/publication.txt
observed adf9857bb6ffded4b69ede462359563c...
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.