OpenTechnical

OT-2026-000023257

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, sustained blow-off 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-2026-000023257) never changes.

Identity and time

Publication numberOT-2026-000023257 · never reused
Internal UUID01a0ae70-7267-7c46-9b4e-60f12a7b72e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023257
StatusPUBLIC

Content hashes

Canonical text0f69a4c6f2c533bd3dd209c777743c7020a45d1fb9e413266ac2d9e98363fc6b
Markdown7819adaefea8561e2635ab93bc35b694ea3f2b3457e1c32676b2ca5e05fe6f6b
PDF
Publication page53db4c4d35ffe447b45008d0e51b5ae480c0bee9a475beec29c1172b6ad4c990
Manifestcedd0e0be8714be656e09a2ae82da6722ba1fdcdcd683bf66bd655b6f035751c

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
SignatureAgxBq1DhEizVXnT7k/0jU/bX0dTRxKptV9mV4pJMD7KtqRxJLZwRXlOZtGqVwpMypofBU71PXGslyd0UqzQdBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:51:19.557467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023257
observed 53db4c4d35ffe447b45008d0e51b5ae4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:19.539977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023257/manifest.json
observed cedd0e0be8714be656e09a2ae82da672...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:19.523566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023257/publication.md
observed 7819adaefea8561e2635ab93bc35b694...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:19.504412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023257/publication.txt
observed 0f69a4c6f2c533bd3dd209c777743c70...
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.