OpenTechnical

OT-2026-000048509

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, sustained blow-off after set-down

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-2026-000048509) never changes.

Identity and time

Publication numberOT-2026-000048509 · never reused
Internal UUID01a0ae80-4de6-7be7-ad47-9ba55b0ec6ec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048509
StatusPUBLIC

Content hashes

Canonical texte98859351c581ab8f888f550d47f0ba1e9b0b01ad8437042bfa7059c21e9cb9c
Markdown6bac6b0fa931a8ac462b85cc6cbe489332a62a8123d21ba01a5dad0f9f36037b
PDF
Publication page380b5dc4791f8d233c3cb243905026deed166aef08910d865e79a22ef2c36b3e
Manifestaf88b805af4c24d7705724ed168a279139b62cc95b69b4b0ac1c55f46f1616f1

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
SignatureOZ29b2xXXZUPnB/VMbxp+TmwZ5y5BtCNf+54Tg//zPxQSRv6/KDfhgc7S9kzncvZmkDHIzmrU25DOLOS7KFeCQ==
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

2026-09-17T11:05:11.160174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048509
observed 380b5dc4791f8d233c3cb243905026de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:11.141759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048509/manifest.json
observed af88b805af4c24d7705724ed168a2791...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:11.122802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048509/publication.md
observed 6bac6b0fa931a8ac462b85cc6cbe4893...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:11.103130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048509/publication.txt
observed e98859351c581ab8f888f550d47f0ba1...
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.