OpenTechnical

OT-2026-000023249

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum 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-2026-000023249) never changes.

Identity and time

Publication numberOT-2026-000023249 · never reused
Internal UUID01a0ae70-7267-7780-9256-1892c6d3c362 · 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-2026-000023249
StatusPUBLIC

Content hashes

Canonical text02a48a6bd4f5ef3e012d114922ce1ecbfcb6885ffff92083f0b7dfce8f069454
Markdown3b2a7ffcfc23c2de0e12d006c6bd12cb2074be805bbaaea49b034cefe30a3dca
PDF
Publication page0902978012c54bee0c5672fc05dbda5cecf7c0e7ae6452de7cdbfed5f80c1d23
Manifest1e62412b2e955d185ad0587db5df9daa62b44beb9b7b564d2680df48ff621939

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
Signaturepm/cIqFNt/HkjPps5WXhaZ7L+bTe47zHWri/iTxvHoHFzGWmHHLGrcff2gJa9SBht0r5bXoOzPzIWAeHgmxsDQ==
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

2026-09-17T11:51:18.952149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023249
observed 0902978012c54bee0c5672fc05dbda5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:18.934981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023249/manifest.json
observed 1e62412b2e955d185ad0587db5df9daa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:18.917347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023249/publication.md
observed 3b2a7ffcfc23c2de0e12d006c6bd12cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:18.900069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023249/publication.txt
observed 02a48a6bd4f5ef3e012d114922ce1ecb...
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.