OpenTechnical

OT-2026-000055392

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold 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-2026-000055392) never changes.

Identity and time

Publication numberOT-2026-000055392 · never reused
Internal UUID01a0ae86-a101-7935-abe6-7dcfce30a309 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055392
StatusPUBLIC

Content hashes

Canonical text099d9cefeb0d4d9ae6e9e6d53098b4794d8fc99cfef88f3e96ec67ab0b6679df
Markdowne638bea723d385cfa0e9abfa969d1f88bde75c0a2f29a0cca9f34a5c8d2ae0bb
PDF
Publication pagec6a065821d880a0ef3237ba6200b38b4d0c408669f6375d802fd83f52df22913
Manifesta8902aa599fdf09d294199ae5c2d9a7ff89f039a787321ef7a7f71e3dd4a7c26

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
Signature1fxej2BLXbMt6HmJMzUEeDHtcAbHDu4osk5SRG5kMn/PZ134gkjCXHHD2QtKDHt4cyi2CgfxneXgGS02XS1oCA==
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

2026-09-17T10:52:01.848914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055392
observed c6a065821d880a0ef3237ba6200b38b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:01.831522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055392/manifest.json
observed a8902aa599fdf09d294199ae5c2d9a7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:01.815549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055392/publication.md
observed e638bea723d385cfa0e9abfa969d1f88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:01.797154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055392/publication.txt
observed 099d9cefeb0d4d9ae6e9e6d53098b479...
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.