OpenTechnical

OT-2026-000069214

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, 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-2026-000069214) never changes.

Identity and time

Publication numberOT-2026-000069214 · never reused
Internal UUID01a0ae90-6dcf-7895-9054-1899ec7c5884 · 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-2026-000069214
StatusPUBLIC

Content hashes

Canonical textb1197712686be63da37997a127ed0c38be8b5512cbafbe277ee3d98d81c1c35c
Markdown9a443b7b88e78f192be6f0f4de5bd4da2e6808d23271f097ffe0d1ce570cbe44
PDF
Publication paged252564b572b32a1c38dd3ccd5db542d335db98f420379fa7daf00918d710803
Manifest213e308b32979791257a0a775f9e43c7311a822401886b94535b7d3e842606c9

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
SignaturemiIMpQWvrMQZYXux1mydpY0LRd8Tw34SOZAPegPC9J/x4R+rIvynesZVKGn66xiStIr0DsaWcsSSEhVF/sAvCw==
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

2026-09-17T10:29:13.390042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069214
observed d252564b572b32a1c38dd3ccd5db542d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:13.372222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069214/manifest.json
observed 213e308b32979791257a0a775f9e43c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:13.353967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069214/publication.md
observed 9a443b7b88e78f192be6f0f4de5bd4da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:13.337458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069214/publication.txt
observed b1197712686be63da37997a127ed0c38...
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.