OpenTechnical

OT-2026-000014241

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, pulsed blow-off 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-2026-000014241) never changes.

Identity and time

Publication numberOT-2026-000014241 · never reused
Internal UUID01a0ae6d-b279-740d-a63e-817b2c0d4986 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014241
StatusPUBLIC

Content hashes

Canonical text6bd532b20d48369f05e4e0c79f702f608e7d46cef62af482f408efe3ea42a6f6
Markdownc15d8d6d148c843f3352460e2a86c751fd4a55f9a60bec311e90e88802fc3743
PDF
Publication pagee0d7bc5d5bf4c266aacb64f3a22f3d5d8a3a024a51e25906ec1bb9ecfc4981ce
Manifestb87ecdabbff28d9201cd5b740f6edf327d2443b3e933b759d9729d4a8c1ec678

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
Signaturefho5ZmukxGDBSnxPVQXuF+hi2175LHGH31GBqeIbNVZjgf3lyL5gTf6OuiitQmuqokFTAQR0FVpOeiSmxUsCAw==
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

2026-09-17T12:07:21.700191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014241
observed e0d7bc5d5bf4c266aacb64f3a22f3d5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:21.681850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014241/manifest.json
observed b87ecdabbff28d9201cd5b740f6edf32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:21.663075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014241/publication.md
observed c15d8d6d148c843f3352460e2a86c751...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:21.645515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014241/publication.txt
observed 6bd532b20d48369f05e4e0c79f702f60...
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.