OpenTechnical

OT-2026-000076815

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, 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-2026-000076815) never changes.

Identity and time

Publication numberOT-2026-000076815 · never reused
Internal UUID01a0ae94-b070-74a1-8339-ab16412b8a38 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076815
StatusPUBLIC

Content hashes

Canonical text1476f7b956e3030f985771548230f87f27ddc5951802a3ddae0bd987e2241fad
Markdown1e6b9fceb95c3748e3c73fea853602eaf71216346a7ce22889fa2dfaa61a324e
PDF
Publication pagee3c0738d283a29c8968c793727577a74fc92713b02aa96e0f463ee91cab3930a
Manifest30324c219c1090acba8f6f5bf2946f27fd5acf4eccc587009a12bb1299e269c1

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
SignatureEX2Ow5N21GVoZbTDO9U50ycSLcVPPWG3LKIn78rQtT6Nd+XfgTf3UZtpk4lTMa168ejD6lz8EWl8frAKJNB8CQ==
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

2026-09-17T10:09:41.136518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076815
observed e3c0738d283a29c8968c793727577a74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:41.119608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076815/manifest.json
observed 30324c219c1090acba8f6f5bf2946f27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:41.100096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076815/publication.md
observed 1e6b9fceb95c3748e3c73fea853602ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:41.080650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076815/publication.txt
observed 1476f7b956e3030f985771548230f87f...
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.