OpenTechnical

OT-2026-000050207

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, 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-2026-000050207) never changes.

Identity and time

Publication numberOT-2026-000050207 · never reused
Internal UUID01a0ae82-5c46-744a-b2ac-c15999ab6132 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050207
StatusPUBLIC

Content hashes

Canonical textdb1e7fdd91c7b64575653fc9cb6fc5f353958ddb9742b3e0a1aefafee5e73b58
Markdownd059c83ce4016b717adcafc4e026a2e17e2a81718307346cbfbf2c355cc7769d
PDF
Publication page92b799bb5a610ccb7ce77c193fff76db3274df25719186306fe10c5e206c50b3
Manifestfbaedcfdd01508770729b1936b99a810f125810d0b6e9b61cc85bcb7bf082d5a

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
SignaturexaehxVFGz1SEl5/hwnNZpsAW8A1Kh1oNvV2ACdT/v2Vqg44upoAs/kDm7XzH9QLBeh6EViSIPp3bebHlp+mgBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:01:11.814944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050207
observed 92b799bb5a610ccb7ce77c193fff76db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:11.795083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050207/manifest.json
observed fbaedcfdd01508770729b1936b99a810...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:11.778917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050207/publication.md
observed d059c83ce4016b717adcafc4e026a2e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:11.763244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050207/publication.txt
observed db1e7fdd91c7b64575653fc9cb6fc5f3...
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.