OpenTechnical

OT-2026-000029083

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, single stage ejector, 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-2026-000029083) never changes.

Identity and time

Publication numberOT-2026-000029083 · never reused
Internal UUID01a0ae73-2a9f-79a5-9106-397c43579d1c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029083
StatusPUBLIC

Content hashes

Canonical text064ab11affae0992491013e4c00e64b8956252c0cf1700b2e980f52f31d3bf82
Markdown2810b8a2205a736919ea3491ef5e815d81c467af90190a7dc3fc42f0b6e9b446
PDF
Publication page9d2a0495c0e33abff7e1a2ae3b40914d4f506319a257363223e5dd986d68e582
Manifest3430cb693cb0dd3d60e2199db74c0a3e20aa8a2b085c3fec36ca1b1ba00224e9

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
SignatureWXTO2Yf3zBAtb68gO6xy3h1rckB3AsX/tvfJiFqNN0Q1EW41eI6lmCq6zGBoPqLJJgTVc0B/IK/g28Eo/jRAAg==
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

2026-09-17T08:20:47.733986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029083
observed 9d2a0495c0e33abff7e1a2ae3b40914d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:47.717371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029083/manifest.json
observed 3430cb693cb0dd3d60e2199db74c0a3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:47.700370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029083/publication.md
observed 2810b8a2205a736919ea3491ef5e815d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:47.683729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029083/publication.txt
observed 064ab11affae0992491013e4c00e64b8...
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.