OpenTechnical

OT-2026-000005973

Publication integrity record

Bellows cup vacuum gripper, per zone isolation, six outlet manifold, pump fed, contact triggered

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-2026-000005973) never changes.

Identity and time

Publication numberOT-2026-000005973 · never reused
Internal UUID01a0a94a-f3a8-70f1-9dbc-a75e47d090c3 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:17:36.682713Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005973
StatusPUBLIC

Content hashes

Canonical text7a63751b97a1fe19ed49de136be4f6ca7f5d5ec87aba7ae8912b1594fd597031
Markdowncdd4e7b8f2817afb386eb305574945446e5607b9527da6b0c2c9c6e1265e662a
PDF
Publication pageed03f3664ac0beb830e6bb7f1d51f759213c90eeb2678bf6b2e9bd3d32825368
Manifest63bf59b67b3a939c4c410d5644b5a15cb297cda37460b6cae8660a91722b0480

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
SignaturezasF9OrqshSAYoF+MqjljgmQ8HthzbCMFmzjbNAExOyiXBrxxE0pZxdEyVu5n5rHS3FG+Bzy9XaMrtJyx3gVAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:10.901639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005973
observed ed03f3664ac0beb830e6bb7f1d51f759...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:10.883622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005973/manifest.json
observed 63bf59b67b3a939c4c410d5644b5a15c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:10.754059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005973/publication.md
observed cdd4e7b8f2817afb386eb30557494544...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:10.734156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005973/publication.txt
observed 7a63751b97a1fe19ed49de136be4f6ca...
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.