OpenTechnical

OT-2026-000070540

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, vented 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-2026-000070540) never changes.

Identity and time

Publication numberOT-2026-000070540 · never reused
Internal UUID01a0ae91-5460-7239-96b7-709e0248cfc4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070540
StatusPUBLIC

Content hashes

Canonical text082751b058b73211cc6c8e88616cf8ae466b26aed6f09ba549577ff5c598e1e1
Markdown66492d114794cd982721f0dd0f155c20401e9428f205a943d6ff9fc55512f335
PDF
Publication pageeadee7e4dbda5bbd8d85e2533ad5e14731fbf33d45e3fcaa31c656b21fec59fe
Manifestbd289717f9b08c06b06e89eee0be9af8ce4fb757f1427b827462f38a084c91a7

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
SignatureYisrr9CMrkPuFtbnOgwPnSOmVVhuCPfl0PZPVtkqZzMq3HBQ2Q56v1mB9UF4Pg3o7zWC9Q0mM/IIEkuzn6lwBg==
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

2026-09-17T10:26:23.250879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070540
observed eadee7e4dbda5bbd8d85e2533ad5e147...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:23.233172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070540/manifest.json
observed bd289717f9b08c06b06e89eee0be9af8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:23.213656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070540/publication.md
observed 66492d114794cd982721f0dd0f155c20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:23.196900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070540/publication.txt
observed 082751b058b73211cc6c8e88616cf8ae...
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.