OpenTechnical

OT-2026-000021493

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three stage ejector, sustained 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-2026-000021493) never changes.

Identity and time

Publication numberOT-2026-000021493 · never reused
Internal UUID01a0ae6f-865e-719e-abd9-73b646fd525a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021493
StatusPUBLIC

Content hashes

Canonical texte968b70b25883017e0e3aa74b3869a27e3af1883d64b08f712d62c1094966e90
Markdowne336b35a2240a468ed912af20da3bc5925a9a64139bde236ec6da50cdbf3a627
PDF
Publication page66a30f012ae1a180126d2e57752733a1a898ce6a868dd55ce3b01268033bbe8a
Manifeste71635fadd4d819dc90ee4d2aa9fdb80696a840b5370146edd1cf236ad84f220

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
SignaturevhkEGgLSf1PKCq/dlCCPbPdb938lcEag+fw8ew39qx9KeLva3MPy7ACpxbS/41S3aVtoWHMsYUs8/qjmE/hNCA==
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

2026-09-17T11:55:24.462830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021493
observed 66a30f012ae1a180126d2e57752733a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:24.444550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021493/manifest.json
observed e71635fadd4d819dc90ee4d2aa9fdb80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:24.425505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021493/publication.md
observed e336b35a2240a468ed912af20da3bc59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:24.407751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021493/publication.txt
observed e968b70b25883017e0e3aa74b3869a27...
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.