OpenTechnical

OT-2026-000064587

Publication integrity record

Four bellows cup vacuum gripper, four zone face, single stage ejector, pressure sensor per zone, pulsed 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-2026-000064587) never changes.

Identity and time

Publication numberOT-2026-000064587 · never reused
Internal UUID01a0ae8d-deb7-7add-b0c1-d1801cb39429 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064587
StatusPUBLIC

Content hashes

Canonical texted7d53d365cd5212327172dc5d2e7560be148a90b6eb20fbbc893ca94fdd726a
Markdowne3b4a0138a7ee927a69d0aa84f26371a76bb8a9538e42ebf8e9050774e56de2d
PDF
Publication page86dab1e259844213f37be8a0a22b2e2a994d311c7c132698ce0fce7f9f31a4ff
Manifest8df919e082c31e5dd17bba69c29fa912e2925099da6c13e2a33ac86f33652b5d

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
SignaturetK4tMaODBTpsqF6wLtoiUj+pCtUrpDdfCpqThkgjbr8g8I01Yz+6I2AJDjQjJc/0lYBMKbgOEkf3bkBonNnJBQ==
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

2026-09-17T10:35:21.517592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064587
observed 86dab1e259844213f37be8a0a22b2e2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:21.499816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064587/manifest.json
observed 8df919e082c31e5dd17bba69c29fa912...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:21.482143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064587/publication.md
observed e3b4a0138a7ee927a69d0aa84f26371a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:21.463861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064587/publication.txt
observed ed7d53d365cd5212327172dc5d2e7560...
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.