OpenTechnical

OT-2026-000054858

Publication integrity record

Three pad foam vacuum gripper, three 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-2026-000054858) never changes.

Identity and time

Publication numberOT-2026-000054858 · never reused
Internal UUID01a0ae86-1285-7aac-a8b4-b6eda53dabd5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054858
StatusPUBLIC

Content hashes

Canonical text2a25609e2366cfec68f8afba055352f0a05823fcbedcf02d2562b883e5fc7691
Markdown40c94e2c72a6ba7213129011f0d4b7236dd9acf8b6d9567c8e87764ee6e46762
PDF
Publication pageeeb7faead1ded65b02081097d05d897535eaef56d86757a7cd0ee4c85a2e33be
Manifest8fa69e3b26a5b732f59fdb9c265a547a0314f40008a86fe52baa4bc2cde06240

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
SignaturedocgQeUY5BRuVwRQBz4wwG742TOYm1wcoAx16hcc9IsjCVEUQkvb8kZc2AqUiJETOxFYY6QVOs1mcY5BpZR5Cg==
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

2026-09-17T10:54:04.568012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054858
observed eeb7faead1ded65b02081097d05d8975...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:04.550491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054858/manifest.json
observed 8fa69e3b26a5b732f59fdb9c265a547a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:04.533177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054858/publication.md
observed 40c94e2c72a6ba7213129011f0d4b723...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:04.514449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054858/publication.txt
observed 2a25609e2366cfec68f8afba055352f0...
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.