OpenTechnical

OT-2026-000057566

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, vented before 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-2026-000057566) never changes.

Identity and time

Publication numberOT-2026-000057566 · never reused
Internal UUID01a0ae88-2693-7fb1-81aa-fb78f4e6a8bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057566
StatusPUBLIC

Content hashes

Canonical text990b8a34d0562a0b33391b2a889e4f7b4b102087e8fa543c274dc79afec328f0
Markdown90abba15b92758dc905fbf03ab9fce1c28beb91b93b321d4f2049b3a05555eac
PDF
Publication page64a5032e37fd8e00682fd103bf0caa337d43d6c3e5349170f0e50e60d0ff2ffe
Manifestf44fd8e50d7ad44beb0a8bc3118c49b1cc8f030fd2e1f9d16c72739eb8531fa3

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
SignatureercblfdOAggPOhSCihVkwSyGO7OC/qhMoPN6Us6671/N1tzJSQjPlTFI49uTWsqIgJ7Uoqhw2335AG4G7lK6Cw==
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

2026-09-17T10:48:06.563409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057566
observed 64a5032e37fd8e00682fd103bf0caa33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:06.547175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057566/manifest.json
observed f44fd8e50d7ad44beb0a8bc3118c49b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:06.530293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057566/publication.md
observed 90abba15b92758dc905fbf03ab9fce1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:06.512845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057566/publication.txt
observed 990b8a34d0562a0b33391b2a889e4f7b...
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.