OpenTechnical

OT-2026-000086877

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed, sustained blow-off 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-2026-000086877) never changes.

Identity and time

Publication numberOT-2026-000086877 · never reused
Internal UUID01a0ae9a-80a4-737b-8fb1-9ce052b29664 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:36.209195Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086877
StatusPUBLIC

Content hashes

Canonical texta3ec925ddda4d0429491c88acc56ed198c80a4cb9c625936a65e8f32ce52be75
Markdownfe85194b45d0b0c88e87412cdab5b5f86b41bb21f8e6c74e78e7985789cb6f8a
PDF
Publication page386a5b348bedfa9a561b8a9aa907aad0e7d203bfc68947ef1bec822836b14aaf
Manifestbb65c1c007e620872d4bbac85e4633a8d4cd03d6ea8d92aec19c4462f14f505c

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
Signaturev+t4o4RsCyE95g6USbV5QtqkIu5cm00GeTebwfL/LP1o3Tr2qnWqjEE4PC0cdY4egFVzIdAp708X/ubOSPzVBA==
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

2026-09-17T09:51:43.305717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086877
observed 386a5b348bedfa9a561b8a9aa907aad0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:43.288705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086877/manifest.json
observed bb65c1c007e620872d4bbac85e4633a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:43.270834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086877/publication.md
observed fe85194b45d0b0c88e87412cdab5b5f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:43.252911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086877/publication.txt
observed a3ec925ddda4d0429491c88acc56ed19...
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.