OpenTechnical

OT-2026-000070372

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000070372) never changes.

Identity and time

Publication numberOT-2026-000070372 · never reused
Internal UUID01a0ae91-545f-71af-b4ae-cc78e74eb301 · 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-2026-000070372
StatusPUBLIC

Content hashes

Canonical textab1c32d8086edcb744d8130e9edbdddff92336262f919cccbea8f96aef8bc56c
Markdown1ec5a8264f338847b6ac535b2cf2e13e0f4330786100fabc3607d6456b2dedb0
PDF
Publication page9211facdd6779a37da1cc1a5f67a3548243b54a136405828a5183f955e47126f
Manifest1d9f2551b52ad190d4839261acda9e7ec50bc90287c7e8d5efa9f9e14f271e7d

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
Signature3ChASIJY5hIinAjikjC/uNmh2mmAbUeeHhQZqEpojdPrs1e95BmL+tIvDrArlWMTlY2oMmp0yr48gbqFKUh1BA==
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

2026-09-17T10:26:10.521017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070372
observed 9211facdd6779a37da1cc1a5f67a3548...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:10.501154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070372/manifest.json
observed 1d9f2551b52ad190d4839261acda9e7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:10.481413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070372/publication.md
observed 1ec5a8264f338847b6ac535b2cf2e13e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:10.463860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070372/publication.txt
observed ab1c32d8086edcb744d8130e9edbdddf...
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.