OpenTechnical

OT-2026-000087289

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump 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-2026-000087289) never changes.

Identity and time

Publication numberOT-2026-000087289 · never reused
Internal UUID01a0ae9a-cd4e-77bd-b16c-ab698be3d291 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087289
StatusPUBLIC

Content hashes

Canonical text5874b801daa4b3728dfdbd364e36cf712706a2b82b4d7a0122e0c17bc820f95d
Markdownfba32fa8fed3dad608dcba7da33199764698fc6f974fc74209af1eaad111a82d
PDF
Publication page2bcca6fe40dca5c94f9fa47d55dbf7b3b3148309ef123341c277d8f0c4ca9409
Manifestb3c845d40ada24ec64d4ef12437178197f406253d8cef42fc835ce382fd6d4c9

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
SignaturecQseOMcCJ8nvKWnV+JctLzUkeh9xrCT70JpGJKWjVDHfn/cZdYnQ0YvOrK3izo4EjPnK8jbrv8GIhyuFXqc4DQ==
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

2026-09-17T09:50:26.563466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087289
observed 2bcca6fe40dca5c94f9fa47d55dbf7b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:26.562543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087289
observed 2bcca6fe40dca5c94f9fa47d55dbf7b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:26.545692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087289/manifest.json
observed b3c845d40ada24ec64d4ef1243717819...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:26.544761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087289/manifest.json
observed b3c845d40ada24ec64d4ef1243717819...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:26.524969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087289/publication.md
observed fba32fa8fed3dad608dcba7da3319976...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:26.524118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087289/publication.md
observed fba32fa8fed3dad608dcba7da3319976...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:26.504427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087289/publication.txt
observed 5874b801daa4b3728dfdbd364e36cf71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:26.504412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087289/publication.txt
observed 5874b801daa4b3728dfdbd364e36cf71...
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.