OpenTechnical

OT-2026-000061161

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000061161) never changes.

Identity and time

Publication numberOT-2026-000061161 · never reused
Internal UUID01a0ae8b-137f-7779-a124-3f96ea252012 · 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-2026-000061161
StatusPUBLIC

Content hashes

Canonical texte56c7e29311c4cb0451be21077f0cbc79b6ed8170f864cfb2dcd29fbad51ce02
Markdown635f6216fba05fb0fc9a8ca3c1311e8cd3bac41bb50e5facd31387cff23f4c24
PDF
Publication pagea5d1e0f81df2937ecab6efcb4310fa659bac68920c81f952020e2c4bed3b7cee
Manifest49cf5ccddd6717c708d07653a0320775546e958ed1abd6f8499bdb25db11a274

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
SignatureUF1sOfvuELGVn9EBiPjmn2wdqu0U8U/3jOTjaM6HztzI5Xl4YYWCpWLK0R4mX2vt9XfR+zbrojBNA2KAe2/+DA==
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

2026-09-17T10:42:32.835552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061161
observed a5d1e0f81df2937ecab6efcb4310fa65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:32.818144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061161/manifest.json
observed 49cf5ccddd6717c708d07653a0320775...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:32.800816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061161/publication.md
observed 635f6216fba05fb0fc9a8ca3c1311e8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:32.782843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061161/publication.txt
observed e56c7e29311c4cb0451be21077f0cbc7...
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.