OpenTechnical

OT-2026-000055169

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two 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-2026-000055169) never changes.

Identity and time

Publication numberOT-2026-000055169 · never reused
Internal UUID01a0ae86-5e82-75e9-8555-5c48306b62c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055169
StatusPUBLIC

Content hashes

Canonical textfabbecc64d66d5e02b42947c8002da9ddb913d82b72696dd0982151d2fbb3c70
Markdownb57f231b73765d8b40e4b4af0fcbe49a7ad174f17473f485c6cf79e4084e922f
PDF
Publication page27b4b13404f8d22b45465123ae13ecae02301162845c3c870482fe310820da1f
Manifest1f43bea807f6ea6f14e887dc009a822db67b71a13f48be5892161ce224b4afb6

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
SignaturetPXce33HnMOJW6GJhX8ygCX8cgZKx77KijuRYk2zq7pFTS/W+Kb5S2Ir/etV5dZTorwPyUl2KoJJOU931mQcDw==
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

2026-09-17T10:53:21.521989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055169
observed 27b4b13404f8d22b45465123ae13ecae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:21.501774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055169/manifest.json
observed 1f43bea807f6ea6f14e887dc009a822d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:21.481246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055169/publication.md
observed b57f231b73765d8b40e4b4af0fcbe49a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:21.463152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055169/publication.txt
observed fabbecc64d66d5e02b42947c8002da9d...
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.