OpenTechnical

OT-2026-000069993

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump 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-2026-000069993) never changes.

Identity and time

Publication numberOT-2026-000069993 · never reused
Internal UUID01a0ae91-1861-715a-bc82-fac72cfecb26 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069993
StatusPUBLIC

Content hashes

Canonical text6908d0d68e0b81c06600a6356394523b8cd6c4d3e69a887bdc4ad042c7bbeb25
Markdownabd6e56fdb0f3937795e8437867ea8065773fa720d49e7273ab5d55755a5c775
PDF
Publication page2518e867c1eef14ba7d2f0ecfe32e5b3a72fe2751fc0a0ac15770871934a0c45
Manifestff7335ec56e7c5381fabc616cf2e023c980acf5792c636650bf2dc802275b75e

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
Signature6vR8VhlSSn4VjspciiSvwlClyHAE693Zuvw8PAenm/4swzggNANOF91JQKiX+iWMsax+r4sMGPOxtRZNyFFoCA==
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

2026-09-17T10:26:56.414105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069993
observed 2518e867c1eef14ba7d2f0ecfe32e5b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:56.395354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069993/manifest.json
observed ff7335ec56e7c5381fabc616cf2e023c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:56.378644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069993/publication.md
observed abd6e56fdb0f3937795e8437867ea806...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:56.360316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069993/publication.txt
observed 6908d0d68e0b81c06600a6356394523b...
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.