OpenTechnical

OT-2026-000090584

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, two stage ejector, pressure sensor per zone, sustained blow-off before 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-2026-000090584) never changes.

Identity and time

Publication numberOT-2026-000090584 · never reused
Internal UUID01a0ae9c-7f2f-7b1b-bfcb-65865759daad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090584
StatusPUBLIC

Content hashes

Canonical text8819b8ba1d0b3cba512634d00a502755ac5236174d60baaa23ccec7a484db935
Markdownd33912541e560f329fdb62cd5d967e9a35caaf9c0c6edf78f989ef65737dde8d
PDF
Publication page170c0f59dc12071d23b79d3e31002adcd478f5bd5071a9322628473ea18db3dd
Manifest149dc94fc3d0c35388c467138c28963b6c0732331601c4bfdcc28d078cc2acbe

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
Signaturej9rYlPYPIkUzFIIpj4WAeDShpA49d9BDGdSUl2Ib8YjhXa0FunoLGKZvr5FFFfsFJdjMxYFLGm0XiwRvdLtyBQ==
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

2026-10-17T00:41:46.784976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090584
observed 170c0f59dc12071d23b79d3e31002adc...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-17T00:41:46.729441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090584/manifest.json
observed 149dc94fc3d0c35388c467138c28963b...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-17T00:41:46.662937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090584/publication.md
observed d33912541e560f329fdb62cd5d967e9a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-17T00:41:46.598563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090584/publication.txt
observed 8819b8ba1d0b3cba512634d00a502755...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-09T20:41:07.697476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090584
observed 170c0f59dc12071d23b79d3e31002adc...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-09T20:41:07.605840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090584/manifest.json
observed 149dc94fc3d0c35388c467138c28963b...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-09T20:41:07.497291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090584/publication.md
observed d33912541e560f329fdb62cd5d967e9a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-09T20:41:07.375834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090584/publication.txt
observed 8819b8ba1d0b3cba512634d00a502755...
fetched by grabo-systems from 34.44.131.203, 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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent