OpenTechnical

OT-2026-000048004

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two 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-2026-000048004) never changes.

Identity and time

Publication numberOT-2026-000048004 · never reused
Internal UUID01a0ae7f-c422-7ef3-9426-a23aa9e38680 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048004
StatusPUBLIC

Content hashes

Canonical text3fdf52ff3dd7e441123d04325ea40ad391a77ac9dedbfebb52436cb2b50525fa
Markdown4bf03544fa5f118ae53acf433d0a5c6d56cecbc8b44d96aa73a91cde9c430393
PDF
Publication page778043c7333bd5a04669762944afe8022591b1285e805d8935502f91fc1933a2
Manifest3cd4fbcec675cd7d047158db0fd19299e70c6420215c4120f92c06cb73a8dd2a

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
SignatureOgD/F8gd5C1rj3mOvRON8UZOhg//JXrPpGAAELInYWpd4qIpNnDRDnJkyaibnuQl2jWDDMhU2mdPPKRr2IRACA==
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

2026-09-17T11:05:59.586121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048004
observed 778043c7333bd5a04669762944afe802...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:59.568632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048004/manifest.json
observed 3cd4fbcec675cd7d047158db0fd19299...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:59.549385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048004/publication.md
observed 4bf03544fa5f118ae53acf433d0a5c6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:59.530479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048004/publication.txt
observed 3fdf52ff3dd7e441123d04325ea40ad3...
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.