OpenTechnical

OT-2026-000070887

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, three stage ejector, supply line pressure sensor, 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-2026-000070887) never changes.

Identity and time

Publication numberOT-2026-000070887 · never reused
Internal UUID01a0ae91-8c2d-7ddb-97d1-37524dbc2561 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070887
StatusPUBLIC

Content hashes

Canonical text69fbdf611a517e5739303a4ff0cb329cab3edfa53779354246ca7d759955969d
Markdowncf99d3e53f457483495467d88748a8b00301d2f02d42d53807ee32afb5a2722c
PDF
Publication pagea52c0ad8f5140f15bfbaa02145e2f4e5f18d6eb60aa35d82a6f580596b146f56
Manifest5e9d79aec81d2d8eb09b743aad98fb4ddf982bf0c396f0772928b062e72f3b48

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
SignaturemgTgNnfeB1tNr2AfEc+JL0fbaZA9aL51HrG2/ovy40kpRsNSqHg2kKWT9i5PluyGx+UwtjtJ5/uHthZq/i8FCQ==
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

2026-09-17T10:25:42.871613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070887
observed a52c0ad8f5140f15bfbaa02145e2f4e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:42.853518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070887/manifest.json
observed 5e9d79aec81d2d8eb09b743aad98fb4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:42.836835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070887/publication.md
observed cf99d3e53f457483495467d88748a8b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:42.819389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070887/publication.txt
observed 69fbdf611a517e5739303a4ff0cb329c...
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.