OpenTechnical

OT-2026-000057073

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, 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-2026-000057073) never changes.

Identity and time

Publication numberOT-2026-000057073 · never reused
Internal UUID01a0ae87-d5b7-74c0-b737-7a007e1e9c6d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057073
StatusPUBLIC

Content hashes

Canonical text7057406e002271a13c812c467c0a57c446281a65c1bbf76674029cd0870166bd
Markdown2e891b50356ae501576b63e3c0048f3ac6b386adcf6388e73a5ffab63e9c138c
PDF
Publication pagef20c7b58ca33a2caefa3868eb352de463bebb76710ec1d7bbf3f05b4874b54bc
Manifestb477b10a584201fbbad2e1092d155ef7b4e551d85ed77bfaabe228681c2b96d6

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
Signature/tuvBt70yGJ8pi0GuduMfBQbvXzCNWC3VKDJe8DWiqjzFWWUacLKZK+4qUvF+2Gh7XtnqLG8MWp/9Ra6TaM5AQ==
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

2026-09-17T10:48:33.936211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057073
observed f20c7b58ca33a2caefa3868eb352de46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:33.919363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057073/manifest.json
observed b477b10a584201fbbad2e1092d155ef7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:33.902571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057073/publication.md
observed 2e891b50356ae501576b63e3c0048f3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:33.883717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057073/publication.txt
observed 7057406e002271a13c812c467c0a57c4...
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.