OpenTechnical

OT-2026-000077087

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, pump fed, 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-2026-000077087) never changes.

Identity and time

Publication numberOT-2026-000077087 · never reused
Internal UUID01a0ae94-f507-73ba-abc3-e511440723e9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077087
StatusPUBLIC

Content hashes

Canonical textf5ae1711662de41b6e5ff580bc5f73ae8d4590cddeab7e71b331bc7c2398902c
Markdown07c646ee09bc4fcfed133d49867ed01a5fdc84684f6222459c56326f054c7cce
PDF
Publication page39d7a5de37556c812566349b239bb1da66a961f4f4546cd5eac308b7581f27e0
Manifestd29ccb127f3d1816cab5d88a0d5384619f4562152f0e50a1eb337496ded8f2d9

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
SignatureVW3W94fK0Wi3oPHdqcrvpJDAjBzsyhTEl0hnqRUpjY4LtA4tx1jo9gzPrEjGcN923oC/XDRXMCmE0B4mL7V5Bw==
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

2026-09-17T10:11:30.004227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077087
observed 39d7a5de37556c812566349b239bb1da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:29.982556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077087/manifest.json
observed d29ccb127f3d1816cab5d88a0d538461...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:29.962329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077087/publication.md
observed 07c646ee09bc4fcfed133d49867ed01a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:29.942214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077087/publication.txt
observed f5ae1711662de41b6e5ff580bc5f73ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:32.719040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077087
observed 39d7a5de37556c812566349b239bb1da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:32.701677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077087/manifest.json
observed d29ccb127f3d1816cab5d88a0d538461...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:32.683891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077087/publication.md
observed 07c646ee09bc4fcfed133d49867ed01a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:32.666128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077087/publication.txt
observed f5ae1711662de41b6e5ff580bc5f73ae...
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.