OpenTechnical

OT-2026-000062073

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-2026-000062073) never changes.

Identity and time

Publication numberOT-2026-000062073 · never reused
Internal UUID01a0ae8b-b8b0-7b34-b522-b217f6dfbba3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062073
StatusPUBLIC

Content hashes

Canonical textf48eb185ba286e1259d8066310438c93ced7f17c8f56a17eaf0c2ec978ea59b8
Markdown7b0101f2f9991871340b72d170d0d94505a2d0245ae8e91304eb61327d997fca
PDF
Publication page728dddb89bd04458bba9b32659ddb1815f5ffc79d04599268d0472e80ec51a72
Manifestc9c4138993d0b09dd2a3aa34af9945acabffd596415a2bc8a9d3b4f613d9b301

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
SignaturevmkJV5tn0Sx0ke/oiMLv+2gWuy6tRXxrk6WzaBPdLOJYXmWNXvCCaWgw8jiV37DBPtrd4rwUWAFs3EtL/xNvCA==
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

2026-09-17T10:41:07.364278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062073
observed 728dddb89bd04458bba9b32659ddb181...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:07.345681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062073/manifest.json
observed c9c4138993d0b09dd2a3aa34af9945ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:07.326377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062073/publication.md
observed 7b0101f2f9991871340b72d170d0d945...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:07.307342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062073/publication.txt
observed f48eb185ba286e1259d8066310438c93...
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.