OpenTechnical

OT-2026-000077691

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, single 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-2026-000077691) never changes.

Identity and time

Publication numberOT-2026-000077691 · never reused
Internal UUID01a0ae95-2ecf-7684-87c6-5cb8ee82178b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077691
StatusPUBLIC

Content hashes

Canonical text9352be5c79d90451a7dd3fc43fb7f10ad10dd2147706cdfb277f659ebd0a95ed
Markdownde7184b4ea51ce7f44173ba9f9d1dd1d7ca1e4c4d0f4580ef760d4759f5bcecf
PDF
Publication pagebec6a2ec74674132d892259943e41221e8d45a4e2f6d90a803e071b56ffef892
Manifest87de7d629b4b3676b069f1f47e9383297129d558e978767263d0cc7b6a232103

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
SignatureUgqRabsRAPmybH5wcSYO8dw8oJIyyH/bU+WgIQ3692p1y84x6iFkgrtnb2FNJnNLU8vOsmX3z5t6K7k7L38jCQ==
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

2026-09-17T10:06:55.644981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077691
observed bec6a2ec74674132d892259943e41221...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:55.627639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077691/manifest.json
observed 87de7d629b4b3676b069f1f47e938329...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:55.609810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077691/publication.md
observed de7184b4ea51ce7f44173ba9f9d1dd1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:55.591997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077691/publication.txt
observed 9352be5c79d90451a7dd3fc43fb7f10a...
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.