OpenTechnical

OT-2026-000080551

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, single stage ejector, sustained blow-off before set-down, on a tool changer

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-2026-000080551) never changes.

Identity and time

Publication numberOT-2026-000080551 · never reused
Internal UUID01a0ae96-7e79-7574-bf17-c106590418ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080551
StatusPUBLIC

Content hashes

Canonical text1a45fa298734b6c773dcde4ad8477569d944014bd11b8314d27901a00712ecb9
Markdown53729dbb03c40173f7c1dc4a74c874a9d544ff8127c05592eb799c8aa5a9b8f7
PDF
Publication page171bc6b32b9315e01a2bfb0c2a83f1e2e8dd0d0ca1aa159e9d0cfaeabc15c1c8
Manifest60cce365c1a3b36c00e23f39766391e3af2a56a174b77d24ed145bac1944e202

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
SignaturefZ/moX1mCB+/aEMLuK4xGqTYZKQ6tfNVVkjgkmDLGXJ8Na4yr66S0eGBI7naTX7hpsAslwQ7ioWBI1UtTot/BA==
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

2026-09-17T10:03:10.776600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080551
observed 171bc6b32b9315e01a2bfb0c2a83f1e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:10.757169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080551/manifest.json
observed 60cce365c1a3b36c00e23f39766391e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:10.739787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080551/publication.md
observed 53729dbb03c40173f7c1dc4a74c874a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:10.720722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080551/publication.txt
observed 1a45fa298734b6c773dcde4ad8477569...
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.