OpenTechnical

OT-2026-000049113

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000049113) never changes.

Identity and time

Publication numberOT-2026-000049113 · never reused
Internal UUID01a0ae81-134d-738d-aa6b-64fe0468af76 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049113
StatusPUBLIC

Content hashes

Canonical text8efb789db9a0118cc333d0450c43e09d3d40c8223d9e6a4ebdc0a0f670cda135
Markdown666bd2dc9c168dae6c286ccb61870fa318efd7283c330081cd34bf43a8096c0f
PDF
Publication pagef36e408639494af8ba90b581a6d9886529fa8ec3f09010a3e21950c684e8f2d4
Manifest96f157d49bfe154d1011444c04a6ea35385a3f11c952c1d73b112827535d2473

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
SignatureOrKhlft0UjLEN5qrSubkoJPyx97dVCBQO3n+/m3T0P5X1tjVPV3GvV9dryAmftS2R27WPdFtNDa9YilvNbqbBw==
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

2026-09-17T11:03:22.370029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049113
observed f36e408639494af8ba90b581a6d98865...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:22.353711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049113/manifest.json
observed 96f157d49bfe154d1011444c04a6ea35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:22.337667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049113/publication.md
observed 666bd2dc9c168dae6c286ccb61870fa3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:22.320642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049113/publication.txt
observed 8efb789db9a0118cc333d0450c43e09d...
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.