OpenTechnical

OT-2026-000042945

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single 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-2026-000042945) never changes.

Identity and time

Publication numberOT-2026-000042945 · never reused
Internal UUID01a0ae7a-c0d1-7b94-8079-503774204369 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042945
StatusPUBLIC

Content hashes

Canonical text4f7b7af97fc04bd025bf953680702c96b887840c4d4376f7dd02424cde26312b
Markdownf566a4e3cd3dab6867411e4747a9671563f16fe6b85cf5d0c246f50a7bdcda60
PDF
Publication page8ac0d3494707b8bd6108f279a6b9030a71769dcfbf321d421076b32cf778595e
Manifestd97b97e03c20af238eb5d8ffd0849f239ad3a0cc49271f49ca2622eede5f1c70

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
Signaturetd6oGeq0ra+9jaLS6gy0+AE/4DXTGwjEFRSrzuKTLby5ULPJAH1L/TuzrQhAAEN6lizKJMwV2HTjrfyXF/4gAg==
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

2026-09-17T11:15:28.785157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042945
observed 8ac0d3494707b8bd6108f279a6b9030a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:28.768423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042945/manifest.json
observed d97b97e03c20af238eb5d8ffd0849f23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:28.749382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042945/publication.md
observed f566a4e3cd3dab6867411e4747a96715...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:28.732073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042945/publication.txt
observed 4f7b7af97fc04bd025bf953680702c96...
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.