OpenTechnical

OT-2026-000057829

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, supply line 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-2026-000057829) never changes.

Identity and time

Publication numberOT-2026-000057829 · never reused
Internal UUID01a0ae88-6ed8-7c00-aa24-606a8078d37c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057829
StatusPUBLIC

Content hashes

Canonical textfad2c29d3358fc7c5b4d573ae07b7314809eae726a84886af0f0efc31e021f8a
Markdownfa65e3f67c23d2211393a3ec9c1ef466fb4a6895da7444b5ea26abb03a73df8f
PDF
Publication page32f1d6324487a0d1b02337f765725129685a5acf59c664fc2f1ece9032e7ba57
Manifestbeedd3d89f5047fe77a1e41c89f852d5c1a1ceb33c703c0fdf0801491d76bf70

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
Signature7YkWo04g6MHCUglQpmzU3GlSMAHWrS6nLRVyBzPEB8VQLOqlZaj/k2DbQn+0GoIV78noWW61yShcB/fPWWpHBg==
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

2026-09-17T10:47:24.154182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057829
observed 32f1d6324487a0d1b02337f765725129...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:24.134601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057829/manifest.json
observed beedd3d89f5047fe77a1e41c89f852d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:24.114987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057829/publication.md
observed fa65e3f67c23d2211393a3ec9c1ef466...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:24.095314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057829/publication.txt
observed fad2c29d3358fc7c5b4d573ae07b7314...
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.