OpenTechnical

OT-2026-000057753

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three stage ejector, supply line 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-2026-000057753) never changes.

Identity and time

Publication numberOT-2026-000057753 · never reused
Internal UUID01a0ae88-6ed7-7ba8-8607-0a7b72e1ce45 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057753
StatusPUBLIC

Content hashes

Canonical text175bc4b2679e944d47f48b1eaa2786d93ff7f2fb52cd04379166e2287dcd06f4
Markdownfe676b7b26c64986c8c280395c4e8a5dc5f15a7b0d7fe1ca1f6a4d7c773a6c78
PDF
Publication page2e9acfca280f5cf5f0700497bf2424d67522ae68a78325f5c2d6e4ae8162de4c
Manifest73192976625472255f92d8cba890cafe479480165ec6b77b9fc68657d482db6b

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
SignatureQhOLL8bLdsGBilQGtqmx/Gp1mLzSRp4fpq1U55oOm1cVSRtpSEQTjv9/NC4CnF5nb2xwO6WWhMmCK2vgI+WDAA==
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

2026-09-17T10:47:17.782299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057753
observed 2e9acfca280f5cf5f0700497bf2424d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:17.764503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057753/manifest.json
observed 73192976625472255f92d8cba890cafe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:17.746170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057753/publication.md
observed fe676b7b26c64986c8c280395c4e8a5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:17.728162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057753/publication.txt
observed 175bc4b2679e944d47f48b1eaa2786d9...
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.