OpenTechnical

OT-2026-000057937

Publication integrity record

Four cup vacuum gripper, four 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-2026-000057937) never changes.

Identity and time

Publication numberOT-2026-000057937 · never reused
Internal UUID01a0ae88-6ed9-7da4-a8e5-809ec21fabee · 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-2026-000057937
StatusPUBLIC

Content hashes

Canonical textac5a9930a3d19f7c1e72a5fc3a0ebe429944aa69f22b783987aa2f4c246c229c
Markdown0a104ea61be833ee257c0171ea00daff45bd826ba0e5e84249296d0ef8b8b8e3
PDF
Publication pagee524eb191229f873d7de497046ed85d573e1ac4385cebaedf8da77215264cb9f
Manifestc8b41dbe8eb5ea6adf749d97b4cef02d5e623f3851631756b79276b2de0547ce

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
Signature5us5eboMwz80QGAJURLxDxNIvtGEAlxTa+jDiYPdrzuqu0VKmaUCWSaoCfylTX5c7ITNNlnSJl2wecOF4tI+CA==
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

2026-09-17T10:47:33.293372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057937
observed e524eb191229f873d7de497046ed85d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:33.275040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057937/manifest.json
observed c8b41dbe8eb5ea6adf749d97b4cef02d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:33.256444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057937/publication.md
observed 0a104ea61be833ee257c0171ea00daff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:33.236636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057937/publication.txt
observed ac5a9930a3d19f7c1e72a5fc3a0ebe42...
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.