OpenTechnical

OT-2026-000060970

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump 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-2026-000060970) never changes.

Identity and time

Publication numberOT-2026-000060970 · never reused
Internal UUID01a0ae8b-12f3-73b9-ae5f-b797ec58af27 · 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-2026-000060970
StatusPUBLIC

Content hashes

Canonical text07c5ea1dac81f63c0d27deb50e5f752d866e3ea686ccdef12109d7a530fc84c4
Markdowncf0df7a2fdd04944060811b27d8dc1ea6ab774632c12cd5bd43c8426b4d47914
PDF
Publication page3a978d2936eb76bfc3aa5bf29f523870c3839e951c422acacf790db12ff9d1b7
Manifest691d9c1559288220399d12e65d6dcb23dc462c48a1f363c98833543631826ae9

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
SignatureS49qLmf/hlhcMG7A+cvBChoZwP58rVkJRhVRXpPKTUVzVs63MFVPYC/Uq2nmElD6QBt4z7QqVYqfdZBltJ9zAA==
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

2026-09-17T10:42:15.096337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060970
observed 3a978d2936eb76bfc3aa5bf29f523870...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:15.079038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060970/manifest.json
observed 691d9c1559288220399d12e65d6dcb23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:15.061408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060970/publication.md
observed cf0df7a2fdd04944060811b27d8dc1ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:15.044108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060970/publication.txt
observed 07c5ea1dac81f63c0d27deb50e5f752d...
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.