OpenTechnical

OT-2026-000055707

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off 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-2026-000055707) never changes.

Identity and time

Publication numberOT-2026-000055707 · never reused
Internal UUID01a0ae87-09ca-7162-9867-ecf745457662 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055707
StatusPUBLIC

Content hashes

Canonical text0b9612e636f221e84068c4075d9100543a447765b50d5ce37c74bb688455f016
Markdown4355da00ff3627efdb8290c7bd2a0bc0eb8abd9ffa138f7ac5f6c2d4cd25a956
PDF
Publication pageed8d1649fac39acc4825c70a1ed651207f804edc54e2ea14fa2c8a20f7b45b43
Manifeste3bbcf5ac22688dc4906e3b6e5e0168aade8356c8ba2d31f31037872b7ba3010

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+FdTPDyMYEQtvCoB5y/Ec+qYXnaxsewBQSZ79rgsDAxC9HvFBaS0O2KsTFfytYcR7TQgUcjqXwveKgsTJeCLAA==
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

2026-09-17T10:51:02.283332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055707
observed ed8d1649fac39acc4825c70a1ed65120...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:02.264488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055707/manifest.json
observed e3bbcf5ac22688dc4906e3b6e5e0168a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:02.246803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055707/publication.md
observed 4355da00ff3627efdb8290c7bd2a0bc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:02.219375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055707/publication.txt
observed 0b9612e636f221e84068c4075d910054...
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.