OpenTechnical

OT-2026-000060900

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off 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-2026-000060900) never changes.

Identity and time

Publication numberOT-2026-000060900 · never reused
Internal UUID01a0ae8b-12f1-7b4c-b847-ccea996d5ec2 · 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-2026-000060900
StatusPUBLIC

Content hashes

Canonical text7484699a07388b086fb13d935bc1c13d7c3cc462981ac396d117a59ec34c5959
Markdownb851f74555ef3880adc8bc1a45e1552e8eabba2944bfaaf06779eb1707c407e5
PDF
Publication page198aed53119affff665815b778bee7ac290dce14ed2518761cceb34ebb79827c
Manifest2c370847e72bbb2aef89601e77ea5a7ef9fddb33dbe61e873aeb7025022fc1c8

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
Signature7mi6bbLpaOHMrLmfLneHHVqvkEIb2BjXIRBnWebE1wibAy20eqswPjzqC1Nm66oLm6NTwQMXL9g27dz0RFj0DQ==
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

2026-09-17T10:42:09.693248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060900
observed 198aed53119affff665815b778bee7ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:09.677047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060900/manifest.json
observed 2c370847e72bbb2aef89601e77ea5a7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:09.661920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060900/publication.md
observed b851f74555ef3880adc8bc1a45e1552e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:09.646104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060900/publication.txt
observed 7484699a07388b086fb13d935bc1c13d...
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.