OpenTechnical

OT-2026-000012458

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, 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-2026-000012458) never changes.

Identity and time

Publication numberOT-2026-000012458 · never reused
Internal UUID01a0ae6d-39f7-733a-9a66-cfc6f9eee3bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012458
StatusPUBLIC

Content hashes

Canonical text81fd963c6d06eb4b25f106bbb0474ab10a493a363a98ce4df97027cb82a8f647
Markdown83b9fccf2cf53efa5f7ac73f2af4841b7f72c4050e7bfc603d3af02c59d47bbc
PDF
Publication page1243214d429adee88a2752bcccc7a554e3d5e3c92179f367c1ffcf997518a535
Manifest741dc3d6c065d94881962a8b272bc3f8b0fa26a19d39d0e3ef2f2823e98e7881

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
SignaturebIa+P3dqaPYjBeQz+sOeU2k7Kfed+CJV4085cvoAAh4uvI+eI1g0VlVs9gYnI5DkPRXtUrWxf2UNTjE1ik2kCQ==
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

2026-09-17T12:11:57.929423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012458
observed 1243214d429adee88a2752bcccc7a554...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:57.910887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012458/manifest.json
observed 741dc3d6c065d94881962a8b272bc3f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:57.892279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012458/publication.md
observed 83b9fccf2cf53efa5f7ac73f2af4841b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:57.870234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012458/publication.txt
observed 81fd963c6d06eb4b25f106bbb0474ab1...
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.