OpenTechnical

OT-2026-000104128

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, two stage ejector, pulsed 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-2026-000104128) never changes.

Identity and time

Publication numberOT-2026-000104128 · never reused
Internal UUID01a0aea5-341f-7354-a658-1e7ec83b4194 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104128
StatusPUBLIC

Content hashes

Canonical textac973760d97f5456675d9c5928c8acdfe0451d9939ff36931c0d6bd0e6f1a8c6
Markdown5037fbbff5a2ed7baa77dee03bce8f20672158566056e9b0b0a3947447f340cd
PDF
Publication pageb3a6964c74b9245f883f503750c74e4c2911939d74056bf382395ad6e2afcfc4
Manifest7a018bb51eb02f2ff7625ab4b3d7e63a30a674ddc59d6a07bb4561a03ea8274c

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
SignatureMG3gM5M3D56iG0Y77b7aUqve2047JSCRSqXyGsQ4WnOHL+7di8IxR0abRdTen7Shzk1ahlqBqN6EN343mphpCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:20:12.468909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104128
observed b3a6964c74b9245f883f503750c74e4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:12.450040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104128/manifest.json
observed 7a018bb51eb02f2ff7625ab4b3d7e63a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:12.431300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104128/publication.md
observed 5037fbbff5a2ed7baa77dee03bce8f20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:12.413715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104128/publication.txt
observed ac973760d97f5456675d9c5928c8acdf...
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.