OpenTechnical

OT-2026-000081590

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000081590) never changes.

Identity and time

Publication numberOT-2026-000081590 · never reused
Internal UUID01a0ae97-0f71-7fb3-b746-591624b1b539 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081590
StatusPUBLIC

Content hashes

Canonical textd744ac22ad75c8d805fa13a0de1543e6b1ef4503b171bc88faa03560524ef21c
Markdown56d1f83ea67a2880610d6f599eb6012d78a850dfdc82e137976b99a56c7b27ae
PDF
Publication page9ebb630144805010273f73a0134fc16332d5d724e3fd74d3bf93fe863356fe02
Manifestcab32a673b3086a0d075945567f745b4a9418882ac5343e4ba01d0b87d68d6cc

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
SignatureUxunXl8KB6Jyu8+Po6+JJOXelGHBX71JrfMUYpIUgwkfCdIndStyPyD/ZLvntaF6vIIQagIG3WeIPZQY+1lWBA==
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

2026-09-17T09:59:37.557557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081590
observed 9ebb630144805010273f73a0134fc163...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:37.538103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081590/manifest.json
observed cab32a673b3086a0d075945567f745b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:37.519675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081590/publication.md
observed 56d1f83ea67a2880610d6f599eb6012d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:37.502187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081590/publication.txt
observed d744ac22ad75c8d805fa13a0de1543e6...
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.