OpenTechnical

OT-2026-000029544

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, sustained 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-2026-000029544) never changes.

Identity and time

Publication numberOT-2026-000029544 · never reused
Internal UUID01a0ae73-5e21-7303-856d-b5b6ed0512ff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029544
StatusPUBLIC

Content hashes

Canonical textce62048133feb9dc84b6222762f209da401e1af32e269993d79604d30beee365
Markdownd2992b4fbddaae6411e606d84ab2e67656b4d717ed392fc7b36b5c6f9862f1a2
PDF
Publication paged8188abd7d6a31c7ad9884c74dd6129db3d41c191597c5af08818048f17b7c91
Manifest67cf72fb3a6f91887acc3a33e5a1e71847d652dc08b6db99f8ff3a95c653348a

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
SignatureAnFyOFgfu9BCjm646K0o8rKNWSNThMhbgRCvzygPuRdDUQnaExL7u1n0bn70GQTaWXhTMcVE8kSqcmZ0ms7fCQ==
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

2026-09-17T11:39:11.989133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029544
observed d8188abd7d6a31c7ad9884c74dd6129d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:11.970504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029544/manifest.json
observed 67cf72fb3a6f91887acc3a33e5a1e718...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:11.952810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029544/publication.md
observed d2992b4fbddaae6411e606d84ab2e676...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:11.935575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029544/publication.txt
observed ce62048133feb9dc84b6222762f209da...
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.