OpenTechnical

OT-2026-000056959

Publication integrity record

Two cup vacuum gripper, two zone face, three 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-2026-000056959) never changes.

Identity and time

Publication numberOT-2026-000056959 · never reused
Internal UUID01a0ae87-7af9-713b-8f0a-02582b5e351b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056959
StatusPUBLIC

Content hashes

Canonical texta3f17dd5fd3e1260b00ae7f8fad621892f37e9bbe3cce33fc7355fd4ee0ccc6c
Markdown7e79fce5ea64d6f2dc7e4ae3b18e1e33dc210578d2e6fb2d358c55c69b7fac3f
PDF
Publication pageed17bb42da4235d9ed6df43b72163027239f6af91892fd966f0f3273242a8359
Manifestd34a72cbc7095e0cae881417c6fb8f4b02cd27338ace1ced502dbbc49b84b6b1

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
Signatured8KSFC7wZkXHRMO083DKWtqhwOutLhw5+RDwMWcEJgFc03nxTC+bqHR5J3ioz38ZMvFuuQ7tZ34xpXb8aGBWCA==
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

2026-09-17T10:50:30.829665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056959
observed ed17bb42da4235d9ed6df43b72163027...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:30.813634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056959/manifest.json
observed d34a72cbc7095e0cae881417c6fb8f4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:30.794577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056959/publication.md
observed 7e79fce5ea64d6f2dc7e4ae3b18e1e33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:30.778360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056959/publication.txt
observed a3f17dd5fd3e1260b00ae7f8fad62189...
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.