OpenTechnical

OT-2026-000052242

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, 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-2026-000052242) never changes.

Identity and time

Publication numberOT-2026-000052242 · never reused
Internal UUID01a0ae83-e790-766d-8b72-70a80b7d6fe1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052242
StatusPUBLIC

Content hashes

Canonical text8a7c9062a86b2d5f522c42d6b864d2c5c0440d99314f5a5049175984c62982aa
Markdown023e32690344584a2136d779f0cfbb72ebd694f157239103e6c149822a57b559
PDF
Publication pageb0df6f76ff0b209b3a7ad02ce9bbf0e09223f33edfa6f00427581fd4504f7d1c
Manifestc51dcdb8ef7124ef9274842b42e3a566dd007dfa542b66f6dc4a42954d7befa2

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
SignatureWzIsHqjVdta4u60giyEiFALEmigKWifqYvUQCP8YWAwN/60ejO/inVsBJ9RC2NAwkd85JDSLKJgZn6mnDZOtAQ==
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

2026-09-17T10:57:49.300765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052242
observed b0df6f76ff0b209b3a7ad02ce9bbf0e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:49.280442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052242/manifest.json
observed c51dcdb8ef7124ef9274842b42e3a566...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:49.260431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052242/publication.md
observed 023e32690344584a2136d779f0cfbb72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:49.241725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052242/publication.txt
observed 8a7c9062a86b2d5f522c42d6b864d2c5...
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.