OpenTechnical

OT-2026-000064444

Publication integrity record

Single bellows cup vacuum gripper, two 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-2026-000064444) never changes.

Identity and time

Publication numberOT-2026-000064444 · never reused
Internal UUID01a0ae8d-a461-749e-a505-0d77f4f10a85 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064444
StatusPUBLIC

Content hashes

Canonical text7273938cb8f70b70e1a96602fd6b1732561351d9ec88b136080606fd19c0ee35
Markdown4dd7271d96d3eb0379d4a747ad82c8b818650828cab5a995cb699587643aaee2
PDF
Publication pageb5bcb4535344ebef77435067e31aa5738b4b26f781e2a73775ab27e155053661
Manifest52b1d9f111f7978596053b0580ad331d6acbeb9782868438afa54ff341a0abfe

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
SignaturexM4nDDkcNz0aKDuN30UbOJxtMxkxTmmreOn+Y7YTRc+fQyU6EP3izhKnh/VXA2iSKRQ2j/y0Fed/y6shysmBAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:36:37.838658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064444
observed b5bcb4535344ebef77435067e31aa573...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:37.823148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064444/manifest.json
observed 52b1d9f111f7978596053b0580ad331d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:37.805501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064444/publication.md
observed 4dd7271d96d3eb0379d4a747ad82c8b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:37.787432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064444/publication.txt
observed 7273938cb8f70b70e1a96602fd6b1732...
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.