OpenTechnical

OT-2026-000069190

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, 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-2026-000069190) never changes.

Identity and time

Publication numberOT-2026-000069190 · never reused
Internal UUID01a0ae90-6dcf-7ffa-9a0e-9fe8572a25b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069190
StatusPUBLIC

Content hashes

Canonical text8933345b5e2dc2adf5a10befaaf4c4d88e65ff78872c7d2dc47113b7a5d0dd04
Markdownc2f84ac96efcb93aa99c48b649c4ce535892e2a841b50c97b9c46078d25f120c
PDF
Publication page0afc81e594c15778f103905a827a57a873e13cec2d5c6e82851f108edde7180d
Manifest3b43ceb7e3409a052b1502cfd4378dabd9f481d970d3d3406d4996e43406d848

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
SignatureedBowV1YH1ofTpDnr+uoXQmhf8iJfP3Y4/GzjkvMzjPAyELmqg7YOpqzIz/2gskl0I6qj3TwOQS/+qCbNMmQCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:29:05.196271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069190
observed 0afc81e594c15778f103905a827a57a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:05.178537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069190/manifest.json
observed 3b43ceb7e3409a052b1502cfd4378dab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:05.159889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069190/publication.md
observed c2f84ac96efcb93aa99c48b649c4ce53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:05.143010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069190/publication.txt
observed 8933345b5e2dc2adf5a10befaaf4c4d8...
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.