OpenTechnical

OT-2026-000058857

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, 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-2026-000058857) never changes.

Identity and time

Publication numberOT-2026-000058857 · never reused
Internal UUID01a0ae89-479e-757f-a77d-dbd083919b04 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:47.568543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058857
StatusPUBLIC

Content hashes

Canonical text536f8b9491df2eb9de99668721eb732869745c35ef8c88b55ad8da82c6a57a63
Markdowneef3d9e01eb5b8e11ed724e7f3413be0c1930efeafcb25e7e2324ac37f317180
PDF
Publication pagede584afcb97cd779d0c400d596ba919483fa4b8bb2e98dbbd604e4af06c61f92
Manifest52dc0099f51eb3ac0cb05cd58a7edd1f18450b391b0635b1fd1e2c86b918d4a5

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
SignatureTB+lDPDmtVRXa3NIART3Mk2gdjQZeJexNJ0S/Cn8HDVgPKqJOSnIiUvp96gfb0IPCEg1GZwQbAWf8k9VGZl8Cw==
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...

Independent retrieval

2026-09-17T10:46:23.758938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058857
observed de584afcb97cd779d0c400d596ba9194...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:23.739241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058857/manifest.json
observed 52dc0099f51eb3ac0cb05cd58a7edd1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:23.721950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058857/publication.md
observed eef3d9e01eb5b8e11ed724e7f3413be0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:23.704143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058857/publication.txt
observed 536f8b9491df2eb9de99668721eb7328...
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.