OpenTechnical

OT-2026-000039517

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off 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-2026-000039517) never changes.

Identity and time

Publication numberOT-2026-000039517 · never reused
Internal UUID01a0ae78-d8d3-786f-9957-0bceeccf0f2e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039517
StatusPUBLIC

Content hashes

Canonical text18d0e9871441e2477d62cf174acbfa472123c16a51b58328b1fc0787c074bc81
Markdowne86f712e0bb0cb2e51d2e0eab616caeb9d68ebb02bf737bcb3b08f7a68d13bb5
PDF
Publication page1f3199b2784f2ccf17252b30c4ad975c391521e88755b6fc6bfcdbd487a56d94
Manifest80f081f1f9814a57a8c19bdfd0ecbe94d4c609534d5c9718938b08633094f807

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
Signature3BTSrqittZkk67ntw8sq0NG0ZtlYx3e0D08CDHL6EzDy+I3yh0XB4H12zooUwbeyQEixkc/0OQdgmeX+H/5GBA==
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

2026-09-17T11:19:39.400734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039517
observed 1f3199b2784f2ccf17252b30c4ad975c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:39.383448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039517/manifest.json
observed 80f081f1f9814a57a8c19bdfd0ecbe94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:39.364692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039517/publication.md
observed e86f712e0bb0cb2e51d2e0eab616caeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:39.347760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039517/publication.txt
observed 18d0e9871441e2477d62cf174acbfa47...
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.