OpenTechnical

OT-2026-000058233

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three 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-2026-000058233) never changes.

Identity and time

Publication numberOT-2026-000058233 · never reused
Internal UUID01a0ae88-6edc-7d2c-9023-9fbe62068c70 · 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-2026-000058233
StatusPUBLIC

Content hashes

Canonical text307e579f1656fca6bcc4c7c16dcfdb486f600ddb5c7ed4b512623cadd128f73f
Markdown1c1771eed7435f525b84c808460513d2d61993916f945d64a81875d3d7593642
PDF
Publication page715978aaabae9b31fa5dac0c235ef7aa48d5d52c1bd7ec66bc2f8248d21913e1
Manifest7da3d2a1b8b2943be71588b24ced28acfe396341fbbdbbcacd1e1af53c5428aa

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
Signatureo2VNXeg0L29gG6cNFZZ8sDLhfboUg8oY1CsmP2/BuM3VpvpdjTtz2UvV5yKOCLcnsmABcDAuUDyTRTflDjxWCg==
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

2026-09-17T10:47:56.607936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058233
observed 715978aaabae9b31fa5dac0c235ef7aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:56.587721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058233/manifest.json
observed 7da3d2a1b8b2943be71588b24ced28ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:56.566329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058233/publication.md
observed 1c1771eed7435f525b84c808460513d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:56.542387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058233/publication.txt
observed 307e579f1656fca6bcc4c7c16dcfdb48...
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.