OpenTechnical

OT-2026-000009871

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, vented 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-2026-000009871) never changes.

Identity and time

Publication numberOT-2026-000009871 · never reused
Internal UUID01a0ae6b-cb78-751c-9027-3ce4b43fca64 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009871
StatusPUBLIC

Content hashes

Canonical text3030cf3103939ecdbbabf72f3fc2704689c6fca94da826096a318623ed8de3d9
Markdown735010458982b2db043f6efbbdd245383b1317d09180ef1cfbc9f0fb4305c833
PDF
Publication page20e442435cf7e1adbd271ea9919a9eb4258959270d20fa01282b6f2eb0d5a6d2
Manifest900d5708c107bde00c816d5196a6c486e262162adc04114c948f63dc4bdb49b5

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
SignaturedXXwZ3EBe6Su45yxl/xA7lgTeTKypPoVnH3waVucr0exfCiLL5czbdglMPgC0H1FIsVqQQfjE4Cs9svDJEc4Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:15:46.009032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009871
observed 20e442435cf7e1adbd271ea9919a9eb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:45.923895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009871/manifest.json
observed 900d5708c107bde00c816d5196a6c486...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:45.902567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009871/publication.md
observed 735010458982b2db043f6efbbdd24538...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:45.812510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009871/publication.txt
observed 3030cf3103939ecdbbabf72f3fc27046...
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.