OpenTechnical

OT-2026-000078429

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000078429) never changes.

Identity and time

Publication numberOT-2026-000078429 · never reused
Internal UUID01a0ae95-7c28-78ba-ba13-6632b32f03bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078429
StatusPUBLIC

Content hashes

Canonical textb6f5994c4d19c5d150764465c52d116a0eeb6319331d84bc9fc8c3b5d7ad7c9d
Markdown808c1f9311cce4c9c577131d32b29e5dabe3e7ee056f7df7512f0ea2a7bf35a4
PDF
Publication page68bfe6425f3b8ebb1a24c9cd7e95c87099d8ac615ffa6f02c2b2d8bd1317f981
Manifestd90241f35280faa62fdc644f313e71915deb4788180a52c8c0b0ef2b4b5bdc84

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
SignaturegrfpwUk31J4/OmA3lr/YQF0+gmjRjSVZ8MJLFmzJXpVqYe2TG5/matCWulVqFfNk+nMltmEjrAt6+F2sJ45bDg==
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

2026-09-17T10:06:25.200195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078429
observed 68bfe6425f3b8ebb1a24c9cd7e95c870...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:25.180915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078429/manifest.json
observed d90241f35280faa62fdc644f313e7191...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:25.162373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078429/publication.md
observed 808c1f9311cce4c9c577131d32b29e5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:25.143197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078429/publication.txt
observed b6f5994c4d19c5d150764465c52d116a...
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.