OpenTechnical

OT-2026-000083831

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, sustained 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-2026-000083831) never changes.

Identity and time

Publication numberOT-2026-000083831 · never reused
Internal UUID01a0ae98-0418-7c09-b696-619ce16d6a8b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083831
StatusPUBLIC

Content hashes

Canonical text7666d932be40b2f4e261d4039ef07d28eb79e1df02dfde1f6f5f8b2971759a80
Markdown592148a2217415f6da240cb1f6c0fdca12cf0762779640265875a664c6e27690
PDF
Publication page9e9060db3a453c6a5a90e4bff48544424f369fa4621c47f17ed4be8e59d2247f
Manifest00010fae1d8e64895d0db7bbb45dadb9ead9b249b09764554e01ca4446f082cf

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
SignaturepHIqVVLYuF8P4WUphU/PC9ntD/5O5MMStecxV9K8NznukImLsMnMspUohiOJHB5Ax6FQWYCxNQ40N5P34Jb/Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:00:06.225929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083831
observed 9e9060db3a453c6a5a90e4bff4854442...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:06.201552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083831/manifest.json
observed 00010fae1d8e64895d0db7bbb45dadb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:06.178166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083831/publication.md
observed 592148a2217415f6da240cb1f6c0fdca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:06.153084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083831/publication.txt
observed 7666d932be40b2f4e261d4039ef07d28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:29.234860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083831
observed 9e9060db3a453c6a5a90e4bff4854442...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:29.218845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083831/manifest.json
observed 00010fae1d8e64895d0db7bbb45dadb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:29.200982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083831/publication.md
observed 592148a2217415f6da240cb1f6c0fdca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:29.182254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083831/publication.txt
observed 7666d932be40b2f4e261d4039ef07d28...
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.