OpenTechnical

OT-2026-000091949

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, three stage ejector, pressure sensor per zone, sustained blow-off before 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-2026-000091949) never changes.

Identity and time

Publication numberOT-2026-000091949 · never reused
Internal UUID01a0ae9d-43bb-7c41-a47e-fea258bded6a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091949
StatusPUBLIC

Content hashes

Canonical text07811bccf3687099445db9f0834afe704c1d92ff2043efc875c79986b3e00a86
Markdownaa552ad5c0e4d93d9321742ca270e5d4cede80727693447d9d4b06610b36cc8c
PDF
Publication page91e198e3394447d9176e703bbe1d65b79ec58c57a10739ff1153956bf80a096f
Manifest6a5ba95e56ef2ff2220fad691219a5810cdd627a23c55c21e3c4b911e020162a

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
SignatureC8/Ki4l/kPeasMTIPFo26UaB/ym2RvFN/8SoP74b6PK9YykgqOxDuGgOmUEenFdRYOiSIpoi9JTRXl5v3q22Cg==
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

2026-09-17T09:42:53.917885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091949
observed 91e198e3394447d9176e703bbe1d65b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:53.902329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091949/manifest.json
observed 6a5ba95e56ef2ff2220fad691219a581...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:53.886633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091949/publication.md
observed aa552ad5c0e4d93d9321742ca270e5d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:53.869295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091949/publication.txt
observed 07811bccf3687099445db9f0834afe70...
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.