OpenTechnical

OT-2026-000071236

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, 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-2026-000071236) never changes.

Identity and time

Publication numberOT-2026-000071236 · never reused
Internal UUID01a0ae91-e0ec-7c2f-b543-add82dd417ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071236
StatusPUBLIC

Content hashes

Canonical textc0d4080d93b4192ff587fa7ad0148b444ec3509fb10bba13fcce91d8144941ca
Markdownd537cc44955820417dc434705936ddd73706a5b1beefa0602920cd76a95b0f5e
PDF
Publication page4b15951c90e49ead501ce80d6232399b7ffb2b436d0ba64eacc78f2ef5eeb2e0
Manifest070453f3694ca0b745949452ce9480c26c0c128a05e6751803136cd6a0a7abe6

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
SignatureP5ZZgNUGZzGdVIGRuvdYm1fVobPAo5rPcHhbD2TNcCq3z4mDHSnjMww03geUdHXGIsO+9M4nXzT/OnmKuj+3AQ==
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

2026-09-17T10:24:46.910645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071236
observed 4b15951c90e49ead501ce80d6232399b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:46.893372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071236/manifest.json
observed 070453f3694ca0b745949452ce9480c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:46.876571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071236/publication.md
observed d537cc44955820417dc434705936ddd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:46.859650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071236/publication.txt
observed c0d4080d93b4192ff587fa7ad0148b44...
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.