OpenTechnical

OT-2026-000009516

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum 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-2026-000009516) never changes.

Identity and time

Publication numberOT-2026-000009516 · never reused
Internal UUID01a0ae6b-7562-77a9-9a1d-a3ada0605d4e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009516
StatusPUBLIC

Content hashes

Canonical text6e4f870a00eac6d0c2a0023a660db1196625d26e85fa0a2d0a4ef83685a9f45a
Markdown1e9d524f22347c0c6974c5cf4269c8787b2f0380e5303fbc9c773eb187055e3e
PDF
Publication pagedb2ba1286396623a5282f8d7009b2a6aa7615b2a61251a1b323b97b7979addc6
Manifestb0dd2b7d6da43f0f437a98ce6a9b009b7bf7f9ae4b546aff8bf9a500d1733a6a

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
SignatureGaokm6nLaRonmMExSwsDB02muPksaewex3BZuXTfX3kGpRP0WpZTOKk4pNptJhwr4BXlG6dCcZVTuNt30uxpAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:16:55.745758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009516
observed db2ba1286396623a5282f8d7009b2a6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:55.724968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009516/manifest.json
observed b0dd2b7d6da43f0f437a98ce6a9b009b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:55.705618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009516/publication.md
observed 1e9d524f22347c0c6974c5cf4269c878...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:55.686181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009516/publication.txt
observed 6e4f870a00eac6d0c2a0023a660db119...
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.