OpenTechnical

OT-2026-000057742

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single 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-2026-000057742) never changes.

Identity and time

Publication numberOT-2026-000057742 · never reused
Internal UUID01a0ae88-2695-76cb-a9f5-d49f959a5c4f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057742
StatusPUBLIC

Content hashes

Canonical text5211d638ea2a374c659800c8996f0c33eea729f9eaf89de14013af6c09c8dbda
Markdown0eea35b51d9f2a75e95f5d08e13908df6c9bf09ea3840472f0c0f2a5fecc8eb5
PDF
Publication page913ae2354ba4e0fc43b790db71500bf4b7a54360e82acf1a1f337564c6150801
Manifestf24ba79e542417cc7f19f6858cf10e6ff3d8318f35e83c3f447105f3d2387540

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
Signaturej/lqNovKjltq/Emv8Mi2VoXQS6EsrCwiDz38wy7esXqPT0S17m8fscZzysFMnkRHLUT15XmAadrlso7e2SHoCw==
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

2026-09-17T10:48:25.117432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057742
observed 913ae2354ba4e0fc43b790db71500bf4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:25.099208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057742/manifest.json
observed f24ba79e542417cc7f19f6858cf10e6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:25.082121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057742/publication.md
observed 0eea35b51d9f2a75e95f5d08e13908df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:25.064362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057742/publication.txt
observed 5211d638ea2a374c659800c8996f0c33...
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.