OpenTechnical

OT-2026-000058159

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off 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-2026-000058159) never changes.

Identity and time

Publication numberOT-2026-000058159 · never reused
Internal UUID01a0ae88-6edb-7559-b197-5cf72ed045cd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058159
StatusPUBLIC

Content hashes

Canonical textcf800ac5f5327954de3df4695c89143c780403cc58e82ba8048dfba132b6569e
Markdowna098dd2a50b25152ae9a8d09edbe7cd56dc730c2e62b5566fbf01d8f8dcc8d6c
PDF
Publication page0f522f68b5e2ed9efaadbb8b41ce47fbde458bf6cb114cacfa44536344fcc805
Manifest94af1104eeadff9af2a85813ddd901e3357a17a53a9c315a796b5a8c2ea45fa4

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
SignatureLqA717nO4R1ZuTxae2RAKR4jfXQtNvm2kW/r4yHk1zbk5NDmzdSqyF3fA8S5hGOy8YIXYRsODIOuZnkS2I+0AA==
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...

Independent retrieval

2026-09-17T10:47:51.320950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058159
observed 0f522f68b5e2ed9efaadbb8b41ce47fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:51.302358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058159/manifest.json
observed 94af1104eeadff9af2a85813ddd901e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:51.284549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058159/publication.md
observed a098dd2a50b25152ae9a8d09edbe7cd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:51.264834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058159/publication.txt
observed cf800ac5f5327954de3df4695c89143c...
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.