OpenTechnical

OT-2026-000102154

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, two stage ejector, 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-2026-000102154) never changes.

Identity and time

Publication numberOT-2026-000102154 · never reused
Internal UUID01a0aea4-50f2-7dda-a35d-9691c2bef8bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102154
StatusPUBLIC

Content hashes

Canonical text885bf9dba92c188d124d0c5befa9c5ff89a7df2406140a803662d885284aa74b
Markdown3873672c4b3a91a08750c3c90cda50fe49497822efe94d5a2945a37dd3422076
PDF
Publication pagee146af0654f1e6ca1bc34efd1e60598e7f5a4b61c7cea6f6219cca87ccc62d63
Manifest339233a03501bce94c3bffc32c6fadd5e0700e6f5aeba65335a79c25472ce92a

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
SignatureYF32S068PbjtxkOcS2xJAh6i3W2IswWP7ZWU2SYkf8Dj+F2e8yvSFoeS+NJ2d8hMIobkeJdctzmaegzYI2pKBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:19.250799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102154
observed e146af0654f1e6ca1bc34efd1e60598e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:19.233408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102154/manifest.json
observed 339233a03501bce94c3bffc32c6fadd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:19.215809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102154/publication.md
observed 3873672c4b3a91a08750c3c90cda50fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:19.198648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102154/publication.txt
observed 885bf9dba92c188d124d0c5befa9c5ff...
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.