OpenTechnical

OT-2026-000012693

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, 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-2026-000012693) never changes.

Identity and time

Publication numberOT-2026-000012693 · never reused
Internal UUID01a0ae6d-5562-768c-bbe3-69bc9dce5767 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012693
StatusPUBLIC

Content hashes

Canonical textb8670ab98e05c60ef46d06105a86dc7d30210cd390662801d078082f886054db
Markdown34dbc42a2bc66f375022589f42485ac7a2029a2ab2a56a49d6c0cb5e36f51aca
PDF
Publication page025ebce9d563045f341b62861d17f717a5417c07ca1fc87e02b254235018d51b
Manifest7fb9a80c8435e7c00742b430a39f4f1db747b032792268c9f56f952ee268d13b

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
Signaturezy/PDr+kZMd62kxUQHWkDP+53TX0uBp0kvnU6LOA92mudHwl35hi5T7BJGoZm0ZhVLjr1wDMVrcvcU+i3ZpECw==
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

2026-09-17T12:10:20.717784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012693
observed 025ebce9d563045f341b62861d17f717...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:20.699581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012693/manifest.json
observed 7fb9a80c8435e7c00742b430a39f4f1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:20.679501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012693/publication.md
observed 34dbc42a2bc66f375022589f42485ac7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:20.658480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012693/publication.txt
observed b8670ab98e05c60ef46d06105a86dc7d...
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.