OpenTechnical

OT-2026-000043550

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, three stage ejector, sustained blow-off after 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-2026-000043550) never changes.

Identity and time

Publication numberOT-2026-000043550 · never reused
Internal UUID01a0ae7b-92cf-7a85-8406-c99e203f099c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043550
StatusPUBLIC

Content hashes

Canonical text8a09b8ca23c3213fe6f61ff087e8ecab582333a584decca6dc6ea98aec28fadc
Markdown74fa9e912faf2c91b0dd248ca29364335d151825133d5f39e768c2f35b1c686c
PDF
Publication pagecad01000eebd1f14e5e92472d382cf33bd8502c84c6c93ef7320af3274118861
Manifest5e00f1f6d9819ed36d8619999cf95af51c3d71f87682311c373039770faca085

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
SignaturewfkkyWBfxag6xnV9hMSC99WCmEIAYwPll3TlGrP6HzszVyzI6h/W+dhmD4KMVXQ03u10ekhmuu8gp21LxxjlDA==
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

2026-09-17T11:12:56.304674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043550
observed cad01000eebd1f14e5e92472d382cf33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:56.284080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043550/manifest.json
observed 5e00f1f6d9819ed36d8619999cf95af5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:56.262934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043550/publication.md
observed 74fa9e912faf2c91b0dd248ca2936433...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:56.242679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043550/publication.txt
observed 8a09b8ca23c3213fe6f61ff087e8ecab...
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.