OpenTechnical

OT-2026-000079038

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, vented 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-2026-000079038) never changes.

Identity and time

Publication numberOT-2026-000079038 · never reused
Internal UUID01a0ae95-ccbe-704c-9e8c-ae692a00efdb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079038
StatusPUBLIC

Content hashes

Canonical textadd8f4598a820fb56c3c12967b773a18c94eb07c631d97034f50cad7b9ed8f2b
Markdowned66a2cafcf275fbbf069792c0f018248bc58ed484caa848ab01710567c2a015
PDF
Publication pagee010a8ea26ec73f9a353da8050b548123d1bf628cb74995003e8c8904e0f7c96
Manifest0cdf8456f804eae8c231661ccd5e731815c9938d032536d2bfd50e85759c48c0

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
Signatureedr7HCKY7zxMKde44JDyxqhB8TUvRXql5AxCK3X24+kjMGbbhG99GDorWnJE74gtHBlU8MXSYOUwK4756x1mDA==
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

2026-09-17T10:05:52.661325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079038
observed e010a8ea26ec73f9a353da8050b54812...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:52.643589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079038/manifest.json
observed 0cdf8456f804eae8c231661ccd5e7318...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:52.626025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079038/publication.md
observed ed66a2cafcf275fbbf069792c0f01824...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:52.608884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079038/publication.txt
observed add8f4598a820fb56c3c12967b773a18...
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.