OpenTechnical

OT-2026-000078952

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, pump fed, vented after set-down

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-2026-000078952) never changes.

Identity and time

Publication numberOT-2026-000078952 · never reused
Internal UUID01a0ae95-ccbe-74dc-a308-b4ed29f35288 · 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-2026-000078952
StatusPUBLIC

Content hashes

Canonical text6ef88d30152cf984876fe15f9696dc9de75e2c129c6dc39c77bd7d122a88e3d3
Markdownfacd165578d72e32f3a7532d1e995cff51452f0ddf9cacbe77d8006eaa3b517e
PDF
Publication paged1ee2d9f33c06804a5a08e65ff35b6f380eb13bf6e5fcfb6543409793592814b
Manifeste98895b65927fe73b5f2689f8aeb1ca50f3f2b9068f5cb4abfc706f8f921d403

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
SignatureDog6xfteqAgVKeygf6j8cVqc2OQ7A3AcsZpRuovOg/DGpt8R7yy3oCycvv+2hZm+diAvnvuRO4ZyBQ7OWTgKCQ==
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

2026-09-17T10:05:23.123726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078952
observed d1ee2d9f33c06804a5a08e65ff35b6f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:22.999940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078952/manifest.json
observed e98895b65927fe73b5f2689f8aeb1ca5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:22.982170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078952/publication.md
observed facd165578d72e32f3a7532d1e995cff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:22.964158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078952/publication.txt
observed 6ef88d30152cf984876fe15f9696dc9d...
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.