OpenTechnical

OT-2026-000047875

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, single stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000047875) never changes.

Identity and time

Publication numberOT-2026-000047875 · never reused
Internal UUID01a0ae7f-c421-7d26-b50a-5c182b0d1cf5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047875
StatusPUBLIC

Content hashes

Canonical text275e657fcc335e03ea3f14d9e0965e1ee7abcbe5c42a606861f8360756b5f938
Markdown56fec7e44640b024e65e1935e5a1a40effe004d12c133ed01285acf17b968f0e
PDF
Publication page26217de3177243665819b8482fe48e0f56a0a6f3b0622b6a2b551dbcae63b80e
Manifeste24de6e8c9740e34a51a12c153904cd6026c5906e211c4741d007eba02701bbb

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
SignatureKgp67eKOAHKMrOtGStCAtOm0QBvUZ6QG+PrxlMb+D+gCepx2wZHt9x3vPj9CBY/fURZpsiIAevhvc2nSf5tWCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:05:48.258591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047875
observed 26217de3177243665819b8482fe48e0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:48.241368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047875/manifest.json
observed e24de6e8c9740e34a51a12c153904cd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:48.222975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047875/publication.md
observed 56fec7e44640b024e65e1935e5a1a40e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:48.205796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047875/publication.txt
observed 275e657fcc335e03ea3f14d9e0965e1e...
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.