OpenTechnical

OT-2026-000061217

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, vented 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-2026-000061217) never changes.

Identity and time

Publication numberOT-2026-000061217 · never reused
Internal UUID01a0ae8b-1381-70eb-9693-3c864a22b05b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061217
StatusPUBLIC

Content hashes

Canonical text61d737364b7659283fa3464ad9b812fc1782b3f27f194e8bb8d5e3b60793fb3d
Markdown959a025f568c9858d8f475b589afa2507bb9cd4cb41a28a90b10af60f38b00f5
PDF
Publication pageea209f2074481f075830e7b99cacd1961881130b8c6cbf77ff4da4510c78ce89
Manifest5465c3844887ee55da3fad57b610139031ef420be8ef4cd70bf7e5830f04165c

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
SignatureIgBgU4M2nQXOLL9R+R4o0gkwIxnCqaS4Ys0O2hInZk01gpZicP0VlghO5dRG5D/+it2R2g/+BercvyYf670PBA==
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...

Independent retrieval

2026-09-17T10:42:37.256920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061217
observed ea209f2074481f075830e7b99cacd196...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:37.237607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061217/manifest.json
observed 5465c3844887ee55da3fad57b6101390...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:37.218701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061217/publication.md
observed 959a025f568c9858d8f475b589afa250...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:37.199910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061217/publication.txt
observed 61d737364b7659283fa3464ad9b812fc...
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.