OpenTechnical

OT-2026-000005585

Publication integrity record

Bellows cup vacuum gripper, three zone face, pump fed, pressure verified, 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-2026-000005585) never changes.

Identity and time

Publication numberOT-2026-000005585 · never reused
Internal UUID01a0a93e-1aac-7a96-8cd4-7b5b10682b1c · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:03:34.703758Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005585
StatusPUBLIC

Content hashes

Canonical text03c6f6dc5192b910a15e9bb1740bac87e2fe2b6fc251d4c11fbeb100b22a7f18
Markdown1d7bb62a2dcbbd7fc7582c5cdc1d1925397548f36d759fde0957d3e45f319de2
PDF
Publication page5183aa58ca5b7e65c0971d291e1bf80af1078066a6175e4d2f6d8afff1c436c8
Manifest72c2c54bdbabd5cbb3a9ecacb072bc903bfe11bf95df4f8208a1ed7cad8ee653

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
SignaturewNhVh0LO+RcoMNLY5fdjR21nCMVCrihRZMUIWkcp86nNi/uBAb7Jn8k24tFC8NksL7w6U/gu+4+VsRf3Kb3aBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:10:23.896148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005585
observed 5183aa58ca5b7e65c0971d291e1bf80a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:23.881991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005585/manifest.json
observed 72c2c54bdbabd5cbb3a9ecacb072bc90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:23.753727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005585/publication.md
observed 1d7bb62a2dcbbd7fc7582c5cdc1d1925...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:23.741177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005585/publication.txt
observed 03c6f6dc5192b910a15e9bb1740bac87...
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.