OpenTechnical

OT-2026-000055340

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed blow-off after 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-2026-000055340) never changes.

Identity and time

Publication numberOT-2026-000055340 · never reused
Internal UUID01a0ae86-a100-705c-9d01-e5e3ae08225d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055340
StatusPUBLIC

Content hashes

Canonical textd397479a0f62d8e07479eb4f62877e032c5d38ebde2c3ec0fce78e97a671f4b9
Markdownfd86b2c725413815447972a13247870bcf92e98c68b709c4fad0947c74def2bf
PDF
Publication pageb2cc4c69e9e0dd6708a8fdb73e5e954eac18e31a8da1ae0338aec206a977bf37
Manifest5bf93565c203c8afe60b440b1cf517f668eac4849b47396567b90c18d2a1bcd2

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
SignatureV0b6yS8/3XSXKFafFQRt8PiCvbarOQHg3X3uWEWGtKv+6lgPJMq4SUNR8O9/mtBRZF8wuTtD0asnzRVj9EL9DA==
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

2026-09-17T10:51:57.790043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055340
observed b2cc4c69e9e0dd6708a8fdb73e5e954e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:57.772760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055340/manifest.json
observed 5bf93565c203c8afe60b440b1cf517f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:57.754214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055340/publication.md
observed fd86b2c725413815447972a13247870b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:57.736269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055340/publication.txt
observed d397479a0f62d8e07479eb4f62877e03...
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.