OpenTechnical

OT-2026-000055580

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed blow-off after 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-2026-000055580) never changes.

Identity and time

Publication numberOT-2026-000055580 · never reused
Internal UUID01a0ae86-a103-72e3-ad36-023f0b76ae96 · 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-2026-000055580
StatusPUBLIC

Content hashes

Canonical texta118c5f658840acaa9cb05830b9f00f17b5495cc1babaddc485d31bfa8a2bd0b
Markdownde0781e19ef31759fa0dd0e050e771c3585c6f242a3ade88549004243b6bf446
PDF
Publication page441ba9911fd6523f87343e092af5a79665178c9894e430fdd5d3ed7344933e6e
Manifest3f0b0e77b5cf690deac80fa4b87929ff7698ced5e2e8e6b879eb738f14d0de1d

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
SignatureTVdJjsF4gTR++m2o/gkY7BgTV/WHsrs0faxR/Q2YurvOnGzfb5iFVtvwqSRVNiIK5BZZfH5SEtY8sCJcBPnTCw==
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

2026-09-17T10:52:49.009083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055580
observed 441ba9911fd6523f87343e092af5a796...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:48.991071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055580/manifest.json
observed 3f0b0e77b5cf690deac80fa4b87929ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:48.969841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055580/publication.md
observed de0781e19ef31759fa0dd0e050e771c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:48.946985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055580/publication.txt
observed a118c5f658840acaa9cb05830b9f00f1...
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.