OpenTechnical

OT-2026-000073024

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000073024) never changes.

Identity and time

Publication numberOT-2026-000073024 · never reused
Internal UUID01a0ae92-c815-7f78-8118-c866769f76ec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073024
StatusPUBLIC

Content hashes

Canonical textc2e36bbc1515832572687f09d5eb2fb178e56dca9d72bbaa6ada7ee64260acec
Markdownf7783add824032a87b7b3d8eee5db297da2f30a4d55e74a3b9d20e58f6548e02
PDF
Publication page7488470e20f19684c5e238f431546a00ae5c10c3d8f33648b074594faca2cca2
Manifest4ee3462a4a1d0f94e3bc84f3ee5ce8a44698aed183897d7623ad5a23867bcb06

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
Signaturey4/j4kKJehpyK1KIp6SOdzdDmfv0o7aDqCDTLN2FfAo99lBs9XIck4jWE+xUcBqaq6fgqU+wiw78RD6aG7uFAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:21:57.798094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073024
observed 7488470e20f19684c5e238f431546a00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:57.779614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073024/manifest.json
observed 4ee3462a4a1d0f94e3bc84f3ee5ce8a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:57.760207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073024/publication.md
observed f7783add824032a87b7b3d8eee5db297...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:57.740919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073024/publication.txt
observed c2e36bbc1515832572687f09d5eb2fb1...
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.