OpenTechnical

OT-2026-000078618

Publication integrity record

Three bellows cup 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-2026-000078618) never changes.

Identity and time

Publication numberOT-2026-000078618 · never reused
Internal UUID01a0ae95-7c2a-78b8-a935-f77e7c2cc860 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078618
StatusPUBLIC

Content hashes

Canonical textdb4ce4b7fe2f7e737853c66ad3c5b6e63d962318b35fa07de3eb5fb2c4d78d67
Markdown3870b441b2cef2953bb880a1685683b8c48bb3d320c0356bdaf46e7fa2c7b7e1
PDF
Publication page630dc37f748dc72cb42d3a7b47b1c07dcc87eaac1905d8aac19c0f86334a6b50
Manifest0f91dab86fcf7191c25469b7423abc50708b47399a7386955f3d32b83decca8f

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
Signaturemxaw7ednGXopLdWWD/LKtQlQXg/6IJSPtDVnCVJpRCr1keDct/3qP2p6eP4jDLX4WURaiDUw2Qm/EmBPypGUDA==
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

2026-09-17T10:06:39.313404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078618
observed 630dc37f748dc72cb42d3a7b47b1c07d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:39.298012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078618/manifest.json
observed 0f91dab86fcf7191c25469b7423abc50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:39.280850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078618/publication.md
observed 3870b441b2cef2953bb880a1685683b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:39.263635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078618/publication.txt
observed db4ce4b7fe2f7e737853c66ad3c5b6e6...
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.