OpenTechnical

OT-2026-000054397

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, supply line 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-2026-000054397) never changes.

Identity and time

Publication numberOT-2026-000054397 · never reused
Internal UUID01a0ae85-b3aa-7f06-9518-1057ac7e3038 · 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-2026-000054397
StatusPUBLIC

Content hashes

Canonical texta981a43602aa48236a5654e6a33a91389f1db61c8e363fd1ec0b01f26e9f1be8
Markdown57abc1e4397261c53fa8f8eb6c7a05fcd6e51857cf5317a63c408001a30b8abc
PDF
Publication pagebe7ce8377b5b87e8f8e59452381969fe04afb54c7890c72fa3bcee9fc276efa1
Manifest47afe5590721819bb1ee0d07335cceb0e666bf7a67471e67177341535eac3dc9

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
Signaturef5ZT5GILYzoeHMhemogBn0oTZOC/bQPP0TEHeVE2G6k9EfSzmguThG0TtFsWrolL95nyAk6c9hz4PE4B+jBGAg==
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

2026-09-17T10:54:56.291296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054397
observed be7ce8377b5b87e8f8e59452381969fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:56.272141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054397/manifest.json
observed 47afe5590721819bb1ee0d07335cceb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:56.254882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054397/publication.md
observed 57abc1e4397261c53fa8f8eb6c7a05fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:56.233108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054397/publication.txt
observed a981a43602aa48236a5654e6a33a9138...
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.