OpenTechnical

OT-2026-000066479

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, 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-2026-000066479) never changes.

Identity and time

Publication numberOT-2026-000066479 · never reused
Internal UUID01a0ae8e-ce40-732b-8627-937303f30414 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066479
StatusPUBLIC

Content hashes

Canonical text4b2645f58daecbf39bdc0f2c3c758ce06b4ee7326606b29b4c185d33af86dc73
Markdownd0c3d5c7fd087b870d1e05e2c06939b75eca4d97ce41e9c73d524102230e477f
PDF
Publication page0cabbc7bd4783aeaeb10cb179913d1912bfd8cce7e53070edb17b0da1477176e
Manifestac71dc500dc0038c0e0723c96edde56f798979794a58dd10e02adcb7e9c081b6

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
SignatureHhE7+cRRbTCsXH9nOB7ewfwsmZUd99BJJBwgeoVrjhKi+xKnumF+eeXw48fOmBNDSZd9j6vjWgNJhqtEd+mXCQ==
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

2026-09-17T10:32:43.941507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066479
observed 0cabbc7bd4783aeaeb10cb179913d191...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:43.925751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066479/manifest.json
observed ac71dc500dc0038c0e0723c96edde56f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:43.908881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066479/publication.md
observed d0c3d5c7fd087b870d1e05e2c06939b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:43.892288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066479/publication.txt
observed 4b2645f58daecbf39bdc0f2c3c758ce0...
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.