OpenTechnical

OT-2026-000048413

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000048413) never changes.

Identity and time

Publication numberOT-2026-000048413 · never reused
Internal UUID01a0ae80-4de4-787e-9d11-c1a0d294f096 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048413
StatusPUBLIC

Content hashes

Canonical text1c5f37de46a5eb7de85ee2ade03a3560a0dee806e9e71e812cf2ac323546af3b
Markdown8b001db75f45d4b92ffc4de875e1779fcfc9929a8cb3a8836e2ed155f07ce4d8
PDF
Publication page16d59b21044543e507bdeaef170adc1d699d83d26f6d33f9ae3014eca8a35517
Manifest966fa7200f613de25edff542c27bcb10e980365fca5dcc76c5e6dd15b80ef8bd

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
SignatureShYLpSPPHdmYWS7yygIldsNjqV3vqNTIOAI1GJnAbx3I5HRyUXEZvsSmWAxhSMe32/rSfoDAPjP1PHDAzgu5AQ==
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

2026-09-17T11:05:03.295256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048413
observed 16d59b21044543e507bdeaef170adc1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:03.275846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048413/manifest.json
observed 966fa7200f613de25edff542c27bcb10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:03.256740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048413/publication.md
observed 8b001db75f45d4b92ffc4de875e1779f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:03.238214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048413/publication.txt
observed 1c5f37de46a5eb7de85ee2ade03a3560...
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.