OpenTechnical

OT-2026-000061034

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, vented after 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-2026-000061034) never changes.

Identity and time

Publication numberOT-2026-000061034 · never reused
Internal UUID01a0ae8b-137d-79a2-ac93-1e5042bf11d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061034
StatusPUBLIC

Content hashes

Canonical textf937227d040805932e6a00557a58f3d67963af0ac5fa722b1c137df0c20303d0
Markdownf08fae328fff9eabb673cc6b2ed00190932ddaa97dff4f641567f5ba7cadde21
PDF
Publication page0ad2e79eb0f2af1d6c9e34e11ade4222e067d3fa0bcb6ad10bf19ba7ff7d02fd
Manifest673184e782327123958b1c6a59adeeb7947307a6ed8bf36132a486ba67a3c8bd

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
Signature1hAGSa88PmTWJu/sYRnqTx+kzyI+EzgeNxhSjP2ASEwlHzD+qWxKSRDlnLWmeYwio1R4iiP7BRPS3AgXrF+pDw==
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

2026-09-17T10:42:23.029459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061034
observed 0ad2e79eb0f2af1d6c9e34e11ade4222...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:23.012348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061034/manifest.json
observed 673184e782327123958b1c6a59adeeb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:22.993960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061034/publication.md
observed f08fae328fff9eabb673cc6b2ed00190...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:22.976485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061034/publication.txt
observed f937227d040805932e6a00557a58f3d6...
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.