OpenTechnical

OT-2026-000059724

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, pump fed, sustained blow-off after 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-2026-000059724) never changes.

Identity and time

Publication numberOT-2026-000059724 · never reused
Internal UUID01a0ae89-ec25-72b5-af6e-d802a45ec17a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059724
StatusPUBLIC

Content hashes

Canonical text5eb691089f488db7dc77d24a1edfaec6a034715dffc35c229cc944ddc662c3de
Markdowned60c46b0eaa3f9084140b7a0e0531a83362b5e9f403ae48bed8dcdca463ae3f
PDF
Publication pagee23d55b4fa5576f4fc1b6fa3c55bd5a30d0db1b1d5a54d968dde87fa60d71027
Manifestd791f89e62247c5a3cb770f85362fd0dd65d6e33f190885c901f9388dcde309d

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
SignatureuS55G6I36r+5i7uf38PvCZ1aFd6Y5xQeh2cM+f7/tzv5kaPuzyqcGXDjlTeTBL7RtKKB//luOYA5w7YlxA51Dg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:44:26.467142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059724
observed e23d55b4fa5576f4fc1b6fa3c55bd5a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:26.447191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059724/manifest.json
observed d791f89e62247c5a3cb770f85362fd0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:26.428226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059724/publication.md
observed ed60c46b0eaa3f9084140b7a0e0531a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:26.409435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059724/publication.txt
observed 5eb691089f488db7dc77d24a1edfaec6...
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.