OpenTechnical

OT-2026-000060120

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, sustained 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-2026-000060120) never changes.

Identity and time

Publication numberOT-2026-000060120 · never reused
Internal UUID01a0ae8a-5a71-7cfd-b2ac-e0db383fc9af · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060120
StatusPUBLIC

Content hashes

Canonical textc1fa970846e22ddfc15337057ce2f8057a2df9a126ec0abc8f45d1b60da0efcc
Markdownea84f91d04db0fba0968030674ac6c37674bf2c38121d92109a1216aed6788d0
PDF
Publication page3f6c994121250831376c0a9fd7d7f28d3d651d3ed6ffc1c370b617cf71a7eef7
Manifest8716022f944c80535793c338da9c64457717a5fded6833089bed8d9522c2b1c3

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
SignatureOh1x2mQecqYYhLFBDE75/Tzt6NHT2cw0ixD+/1wJ53wqpHoOmH7J4TKKtc1GVb7KGNlCS+u47pXcrkJfFGieCA==
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

2026-09-17T10:43:46.145255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060120
observed 3f6c994121250831376c0a9fd7d7f28d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:46.126953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060120/manifest.json
observed 8716022f944c80535793c338da9c6445...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:46.110177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060120/publication.md
observed ea84f91d04db0fba0968030674ac6c37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:46.093333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060120/publication.txt
observed c1fa970846e22ddfc15337057ce2f805...
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.