OpenTechnical

OT-2026-000054373

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single 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-2026-000054373) never changes.

Identity and time

Publication numberOT-2026-000054373 · never reused
Internal UUID01a0ae85-b3aa-75f1-a8c3-66b7f8cdfecb · 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-2026-000054373
StatusPUBLIC

Content hashes

Canonical text38c34ddca16c829a3f5393157dd396e2451de7e03204969e65bfcf572f104110
Markdown6954e3ef41db114cdc849ca2006a60a27a1c40a303de2f7cf59e8b91867a2f15
PDF
Publication page91251e39f3d56b0a509fe9c05f10793c8205d5b5fb32a0c8a812ae14f6a910c8
Manifest1c0c85276899959932eff697e9a5a1e2724c0d475c5a270cf391927254db44c9

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
Signature1p80Q5Xz6Id9hciJcvUX2Au52OWqIt7/sQy+pXfIP5PM9Px0W7qJYpve/OnYMCiVyeRPuKX1TD5RJYQDF7loAg==
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

2026-09-17T10:54:54.260514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054373
observed 91251e39f3d56b0a509fe9c05f10793c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:54.240284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054373/manifest.json
observed 1c0c85276899959932eff697e9a5a1e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:54.220140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054373/publication.md
observed 6954e3ef41db114cdc849ca2006a60a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:54.011154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054373/publication.txt
observed 38c34ddca16c829a3f5393157dd396e2...
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.