OpenTechnical

OT-2026-000053029

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, vented before set-down

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-2026-000053029) never changes.

Identity and time

Publication numberOT-2026-000053029 · never reused
Internal UUID01a0ae84-a430-77e4-bdf4-0ad5782d1430 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053029
StatusPUBLIC

Content hashes

Canonical text7774f684e7a504347ac84f6705e4f6dc496540b52f9836144416c3624931c99e
Markdown4d89b748fa68cf3095b2f1b77981dd7d1cb6e767cba94d2de12a91c82c66949a
PDF
Publication pagefab072a3fb285830d5b90b21d067e5f6545ece91d49a8625a8c2a63790d2ee2f
Manifeste4dd0fda9b0b613227301358c89ff5ed397887649f87a3cb9fc2fb20f57bbcfb

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
SignatureQC85SenMMfjs7v+MqFbtqx6AHayjHSJxVVxio2lB+PoPvos7cJNmMnIImAk2Pkypb3MQg+RsDsF7b8m7GBBZAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:56:43.953508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053029
observed fab072a3fb285830d5b90b21d067e5f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:43.936890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053029/manifest.json
observed e4dd0fda9b0b613227301358c89ff5ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:43.917685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053029/publication.md
observed 4d89b748fa68cf3095b2f1b77981dd7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:43.898598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053029/publication.txt
observed 7774f684e7a504347ac84f6705e4f6dc...
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.