OpenTechnical

OT-2026-000033200

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000033200) never changes.

Identity and time

Publication numberOT-2026-000033200 · never reused
Internal UUID01a0ae75-4844-7a9e-af1d-b57714059698 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033200
StatusPUBLIC

Content hashes

Canonical text4e9cd0b645c54472a190dfcc6e9b49f852d4f719145dd277c08feafcfafba0db
Markdown4af04f082a3e4f6cbee841ea9d8c8a2b59d3b7fad506f10c3ede593140118afa
PDF
Publication page712afab915214f2f82c5b8f564d24981023c8d1d138e29187fca39cca01baf49
Manifestc1a5d3c432b3c623a34cbc38743c400315b64bf6255964f490d45189db94259e

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
SignatureEOEDGNprCRwQ88o637BZXHOaT8w1J6IlmaNgpmP/njuRzMJPKnHiYg49X/MaWqw+wWzXcrcZSpdaPGlryJG2Cw==
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

2026-09-17T11:32:53.916657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033200
observed 712afab915214f2f82c5b8f564d24981...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:53.891493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033200/manifest.json
observed c1a5d3c432b3c623a34cbc38743c4003...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:53.872059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033200/publication.md
observed 4af04f082a3e4f6cbee841ea9d8c8a2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:53.853031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033200/publication.txt
observed 4e9cd0b645c54472a190dfcc6e9b49f8...
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.