OpenTechnical

OT-2026-000069181

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, 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-2026-000069181) never changes.

Identity and time

Publication numberOT-2026-000069181 · never reused
Internal UUID01a0ae90-6dcf-7045-8daf-cef97edfbb04 · 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-2026-000069181
StatusPUBLIC

Content hashes

Canonical textf50b371c9e07931e3e64aad7caecae8585600ab19118948b48786d05cfbf99e6
Markdown50c11f257f6ba01d88b3da2a8362b4160ff3cf384b16904e493526f6ae5a3d0d
PDF
Publication page27b51657d897ebaf22f2e1c0e9d7bb58a6236a5323a0251cad01afcbde4651d8
Manifestea4fba496495f0cbdfaf76dff0acfadedecc4bdf160f4714aae34dde8eaea4b6

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
Signature6ySxAUVJ6gnbOWtOHWPr9VIyq0u4M7v2ByFbWqD+GWLzBIQw6O+vaOMFJZwFI8DfJ5lCatKIZXyiRKL3U9U+DA==
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

2026-09-17T10:29:04.536092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069181
observed 27b51657d897ebaf22f2e1c0e9d7bb58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:04.517345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069181/manifest.json
observed ea4fba496495f0cbdfaf76dff0acfade...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:04.498647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069181/publication.md
observed 50c11f257f6ba01d88b3da2a8362b416...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:04.480804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069181/publication.txt
observed f50b371c9e07931e3e64aad7caecae85...
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.