OpenTechnical

OT-2026-000072670

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, vented before set-down

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-2026-000072670) never changes.

Identity and time

Publication numberOT-2026-000072670 · never reused
Internal UUID01a0ae92-89d9-759e-8c03-3c63a4960ee4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072670
StatusPUBLIC

Content hashes

Canonical textc364dc8fa025a47ebc6aa4f1eed3507dce4d69d09494a8dff7444e2414d8b970
Markdown1da1934538ebcae42a6497e6dcfc6d7c2f05e4e2a0cffcfe63d0ab949047b535
PDF
Publication page75b9a7a38d17ca4220523090c4a0048adee31830e0949a0f8d5e246e5af25ff2
Manifested4763aad735eb07f8ecae981bda56a8087da476a516d6a474a16e53e0a16952

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
Signature9qnOmw140lAZjTriTXzuQsqAp3C64ePdbLYgmYqaZ45MwvJtZM1mTm1sSxEepkjW8A2fu2qOkgKjPMkTqEPdCA==
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

2026-09-17T10:22:31.168915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072670
observed 75b9a7a38d17ca4220523090c4a0048a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:31.152926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072670/manifest.json
observed ed4763aad735eb07f8ecae981bda56a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:31.136006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072670/publication.md
observed 1da1934538ebcae42a6497e6dcfc6d7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:31.101390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072670/publication.txt
observed c364dc8fa025a47ebc6aa4f1eed3507d...
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.