OpenTechnical

OT-2026-000006133

Publication integrity record

Vacuum cup gripper, common isolation valve, two outlet manifold, plant vacuum fed, rubber cups

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-2026-000006133) never changes.

Identity and time

Publication numberOT-2026-000006133 · never reused
Internal UUID01a0a950-73bd-7406-83f6-fd82f7ff40f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:23:37.152244Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006133
StatusPUBLIC

Content hashes

Canonical text53a49d6af53ef0022ef967a269154cc726bfa78c1340eeb64dc44c19a9b41637
Markdown3fc0b499548b77ac53d4a3535e8eb512c0ac5da501181c8241535de36b6ab715
PDF
Publication page6f0c5c9234e4d51a037517ad4790ec9491c81ab245b21b8d2b3dd2049b9841fc
Manifest474d90b1d69d9e22d0dac90d0313106bc4981aea46c81efb2f331ae1105eafd5

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
SignatureNtTpwfPg6aPHqXNCaOxW4lmwmXrCwVs5gUrKgKAMWa0c9K94wB0ttT59FfSwQ5mZykEseDBQSA55QNZlBDgVBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:42:30.910512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006133
observed 6f0c5c9234e4d51a037517ad4790ec94...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:42:30.471399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006133/manifest.json
observed 474d90b1d69d9e22d0dac90d0313106b...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:42:30.125283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006133/publication.md
observed 3fc0b499548b77ac53d4a3535e8eb512...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:42:29.403138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006133/publication.txt
observed 53a49d6af53ef0022ef967a269154cc7...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:30:23.728729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006133
observed 6f0c5c9234e4d51a037517ad4790ec94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:23.717363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006133/manifest.json
observed 474d90b1d69d9e22d0dac90d0313106b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:23.705039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006133/publication.md
observed 3fc0b499548b77ac53d4a3535e8eb512...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:23.693566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006133/publication.txt
observed 53a49d6af53ef0022ef967a269154cc7...
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.