OpenTechnical

OT-2026-000020477

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000020477) never changes.

Identity and time

Publication numberOT-2026-000020477 · never reused
Internal UUID01a0ae6f-437b-78e6-9774-f9a4ea51af28 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020477
StatusPUBLIC

Content hashes

Canonical textcef021bcc5241498196de6ad387b071fa8a19baaa4110194bec67cac8e187c3e
Markdown9cabee1e5e8ce7fd2bb61d2e862cdcfc9dd5eae6e4ecd4685b52c4f85e8ad95a
PDF
Publication page2a87487e23937499848c3605f7f8c8aac2cab37eed897420e6d831ffae691a16
Manifest856c5d201712e3aa7a2c80208522b455e538e8b13e73f8fb6e52227ec4f9a45a

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
SignatureEl4LFdHCyG2wC/OdjWuVGFqp09meskmOqEvFDWLoqw4CmYK9jvMbAMEZn4VJIF+3QjmcEf11I7ExwXW9EpSaDw==
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

2026-09-17T12:00:25.172440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020477
observed 2a87487e23937499848c3605f7f8c8aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:25.143483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020477/manifest.json
observed 856c5d201712e3aa7a2c80208522b455...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:25.099305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020477/publication.md
observed 9cabee1e5e8ce7fd2bb61d2e862cdcfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:25.077925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020477/publication.txt
observed cef021bcc5241498196de6ad387b071f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:29.021267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020477
observed 2a87487e23937499848c3605f7f8c8aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:29.004371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020477/manifest.json
observed 856c5d201712e3aa7a2c80208522b455...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:28.986024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020477/publication.md
observed 9cabee1e5e8ce7fd2bb61d2e862cdcfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:28.966672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020477/publication.txt
observed cef021bcc5241498196de6ad387b071f...
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.