OpenTechnical

OT-2026-000054048

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, pulsed 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-2026-000054048) never changes.

Identity and time

Publication numberOT-2026-000054048 · never reused
Internal UUID01a0ae85-b3a7-735a-a680-2a36927cf836 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054048
StatusPUBLIC

Content hashes

Canonical text2b1cbd042974a59d15b7671dd37bc0265d69dda47a1308e80f90b3e4085c8b9c
Markdown164ccc3f7f4e40195606763a638977ebfbb6368ff539c42f6ab5d15dd0ab130c
PDF
Publication pagefb196ed03eacfbab69b257e03866616e115aeac97dd1a29bc3a6ae538939b3ba
Manifestef258020fdb82287c6168a8d89cf3a12bcd0c8ad8c14cce01693cabdbc4149d0

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
SignatureoENQvEU4Bp9Xf0eKOQKt00RKKwdiPX/Anuc/+C/bxdCrUaH/gXQ06zhkutOCTR9BwCqybJOjQrO5SSVrQxECAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:25.192981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054048
observed fb196ed03eacfbab69b257e03866616e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:25.176065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054048/manifest.json
observed ef258020fdb82287c6168a8d89cf3a12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:25.156433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054048/publication.md
observed 164ccc3f7f4e40195606763a638977eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:25.136658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054048/publication.txt
observed 2b1cbd042974a59d15b7671dd37bc026...
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.