OpenTechnical

OT-2026-000054017

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single 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-2026-000054017) never changes.

Identity and time

Publication numberOT-2026-000054017 · never reused
Internal UUID01a0ae85-b3a7-74ea-8a94-0b299d7c12cd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054017
StatusPUBLIC

Content hashes

Canonical texte60c90c0bfaa5af27d09004a0e9583c60995d9ebbf9a66f943000c7aacf176ae
Markdown1a86837fc09f0fbe165de09f2e27475dbb9bd3e036db61ef2037fac4833ac9a9
PDF
Publication page8376a64ff32eee56f6af2f1620ae938a001c5e35245a70694ea2b7d9c1be64bb
Manifest9ac815e9ee8143430721aaf055ce7d2b3afab11ae9788fd992c40edbc10330b3

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
SignaturecO2f3AFpCrlA4nRKavBYlNyBxJITaM7MCT0xAVOPQcytyd2/DZZwqcogZRvpVFrUDqQJRHnlgNFPNC82JOe7Dg==
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

2026-09-17T10:54:22.427663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054017
observed 8376a64ff32eee56f6af2f1620ae938a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:22.400355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054017/manifest.json
observed 9ac815e9ee8143430721aaf055ce7d2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:22.372721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054017/publication.md
observed 1a86837fc09f0fbe165de09f2e27475d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:22.222971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054017/publication.txt
observed e60c90c0bfaa5af27d09004a0e9583c6...
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.