OpenTechnical

OT-2026-000078173

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, three 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-2026-000078173) never changes.

Identity and time

Publication numberOT-2026-000078173 · never reused
Internal UUID01a0ae95-7c26-7b87-96e0-72f933d52ff0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078173
StatusPUBLIC

Content hashes

Canonical texta4be1009ee6aba7b519b059593330df8778ff0c8231c89633d7a0588ae0289ff
Markdown067c3769449d30643e925ec1c2e7e4c334ceac97e81740a618d8b3d182bdc130
PDF
Publication pagee37ccb494714fca23eb31436bd04e4d859c06ed872d89c6bfb4a59a6d0c7888e
Manifestad8a50ea16e3718dba995c23cf2345694b870d249c402dbd48ad13df6f03adcd

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
SignaturelzAg5ut5I4wfJR2kQ5IEwwehnsJyOyd985V4tAB7CRpgXG41FYKoRvinATatmWMZHBJ9duAbJIfdmIYxZAKCAA==
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

2026-09-17T10:06:07.038682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078173
observed e37ccb494714fca23eb31436bd04e4d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:07.019606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078173/manifest.json
observed ad8a50ea16e3718dba995c23cf234569...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:07.001378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078173/publication.md
observed 067c3769449d30643e925ec1c2e7e4c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:06.982820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078173/publication.txt
observed a4be1009ee6aba7b519b059593330df8...
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.