OpenTechnical

OT-2026-000056557

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three stage ejector, manifold pressure sensor, vented 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-2026-000056557) never changes.

Identity and time

Publication numberOT-2026-000056557 · never reused
Internal UUID01a0ae87-7af5-7c9b-b8c3-1e27f3790ebe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056557
StatusPUBLIC

Content hashes

Canonical text7c8dca3054515d5230befd9b648f310d869c639925a0e1e2e7d18702188aabe1
Markdown7ab0e054cab0db8f702aa017153e69ad896d4d64a4ec94a6d87ddd4eaf5eb9db
PDF
Publication pageb06a23ef9fc302e40502423b534fc98f405eaca5f1a3de24aa8a02c2e9062aba
Manifest658bd84afc9f534c71d935fa2b1930ccdaac5fcace343a481e0466ee15575be5

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
SignatureJzLwggqLOsGkonl4CryIcRvC30157wQnU3LAWPl4eOoKRfhL/ghEMQtOewhs7iUZWVDBEdbvZVO2N38av+EVAQ==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:49:53.583352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056557
observed b06a23ef9fc302e40502423b534fc98f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:53.565591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056557/manifest.json
observed 658bd84afc9f534c71d935fa2b1930cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:53.546959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056557/publication.md
observed 7ab0e054cab0db8f702aa017153e69ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:53.528204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056557/publication.txt
observed 7c8dca3054515d5230befd9b648f310d...
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.