OpenTechnical

OT-2026-000043249

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, sustained blow-off after 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-2026-000043249) never changes.

Identity and time

Publication numberOT-2026-000043249 · never reused
Internal UUID01a0ae7b-327d-7b3d-b347-08feea4392e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043249
StatusPUBLIC

Content hashes

Canonical textc15c7fd61921977a9a0bfb5156a40f321c8b7ad576e980871ea664a474cfc5ff
Markdownceda5569dc815776bbb98a18a2c7102eb54836a10264a109e9019c59e54e4c5e
PDF
Publication pagebdbfd06118193babae57abafa6b7c7f1d563725084e42350ac345e24f1ae44cd
Manifest34ed240bc78b6641f6b2b46ec73e4136f7996697dd9b20f26cc24af10f623ce3

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
Signature26pAonJIV8TaUZLU7CIVznjoz6mhxlhHEjsrMiGIcnOUClmubLJbfsaIgb1l/9dutxjNJUzt7ylHqKr0ei24CQ==
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

2026-09-17T11:13:43.657048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043249
observed bdbfd06118193babae57abafa6b7c7f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:43.638312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043249/manifest.json
observed 34ed240bc78b6641f6b2b46ec73e4136...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:43.617151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043249/publication.md
observed ceda5569dc815776bbb98a18a2c7102e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:43.597264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043249/publication.txt
observed c15c7fd61921977a9a0bfb5156a40f32...
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.