OpenTechnical

OT-2026-000055137

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, vented 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-2026-000055137) never changes.

Identity and time

Publication numberOT-2026-000055137 · never reused
Internal UUID01a0ae86-5e82-77ff-aa64-da0581ab9e21 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055137
StatusPUBLIC

Content hashes

Canonical text58ce830c6902e17379a34c65f951ff91815d8bf94f41f3caadcd781e37aa5c1c
Markdowna4b1cd2c3699e16ac30983f3ba0dc8325f6cf12d8d43af8c3f6f2eb6994df01a
PDF
Publication page9da10565e7848e97dbd95f259d37aa34dd08d63724fe12749dd2db4a7eb27577
Manifest3b6e7405e05a6cc82abb0c7340ed76899865d98ff663ad5e9959f7ebc5bfc91d

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
SignaturezzGHBySNkJjfCbOMEdHvqPvb+5Y2uY/2NmyQrp72TrhYVCY1A0j/wPkwD4LmcHkYxyEj2xP5johGv2El3UZWCg==
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

2026-09-17T10:53:18.691116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055137
observed 9da10565e7848e97dbd95f259d37aa34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:18.672296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055137/manifest.json
observed 3b6e7405e05a6cc82abb0c7340ed7689...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:18.651707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055137/publication.md
observed a4b1cd2c3699e16ac30983f3ba0dc832...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:18.632204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055137/publication.txt
observed 58ce830c6902e17379a34c65f951ff91...
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.