OpenTechnical

OT-2026-000104507

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, pump fed, pulsed blow-off 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-2026-000104507) never changes.

Identity and time

Publication numberOT-2026-000104507 · never reused
Internal UUID01a0aea5-3422-7611-8b71-b12de86895bf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104507
StatusPUBLIC

Content hashes

Canonical text176b2ca31269d00b54c068c63511b3d4d58d1e129d6c2ccc5dcdfdf72a464f08
Markdown986e9949600e08062caa86d29d8393cadc58b465b94f0fb0435e41917da4930a
PDF
Publication pagef1fdab6b063609f3f84e67233b153843064c598ab0c8c08efc9d04b632864e2f
Manifest1b2e96c8ff6586180a47bb52d1f8760581f77934c64f7d5c7b0e33b0a04beae3

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
Signature02td27hfg6McWQIbQU6CFNOT+xxPn2oxKEZScKMUN0VSSWnioSFaS+UAhxC70i3Sa/m9xFOlJDXk6jBuybNkDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:21:47.964241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104507
observed f1fdab6b063609f3f84e67233b153843...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:47.946882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104507/manifest.json
observed 1b2e96c8ff6586180a47bb52d1f87605...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:47.929341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104507/publication.md
observed 986e9949600e08062caa86d29d8393ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:47.911732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104507/publication.txt
observed 176b2ca31269d00b54c068c63511b3d4...
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.