OpenTechnical

OT-2026-000056541

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-2026-000056541) never changes.

Identity and time

Publication numberOT-2026-000056541 · never reused
Internal UUID01a0ae87-7af5-759e-9b9d-fe87cf7935ce · 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-2026-000056541
StatusPUBLIC

Content hashes

Canonical text234a331f0ec8d87eda402e64e538899ae984b8d43fe476f4ff03c3062298b4b9
Markdownac2893efc99278d7423e8d54ef025b8863c6db879fe4ff548429a702a04a6130
PDF
Publication page4eb008f8a4a8a7bf621a33e99bcee0d17eb75167a5928fc73fe456a77dac0827
Manifestc48f336e761211a605d00d584b7c127d5fcceac901d12fa236e7b234535322f7

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
SignatureWxF8fZrWijfUkGN55EWD4Sj/ku0crwDAOE4Ey0ULkHp9He+S4aXapehVUMLtXYpr3+SR1qm3D2VaZAGNDOeEDw==
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

2026-09-17T10:49:52.335815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056541
observed 4eb008f8a4a8a7bf621a33e99bcee0d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:52.317903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056541/manifest.json
observed c48f336e761211a605d00d584b7c127d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:52.299644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056541/publication.md
observed ac2893efc99278d7423e8d54ef025b88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:52.282086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056541/publication.txt
observed 234a331f0ec8d87eda402e64e538899a...
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.