OpenTechnical

OT-2026-000008544

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, pump fed, pressure sensor per zone, sustained blow-off 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-2026-000008544) never changes.

Identity and time

Publication numberOT-2026-000008544 · never reused
Internal UUID01a0ae6a-e46b-7f0b-9523-15439dd75737 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008544
StatusPUBLIC

Content hashes

Canonical text81fb0935dbea437abd74a611a42b1669b8b5f55b31b988e21a30b3aedcd419c3
Markdown72f40f5b4b13d2225b8e7d1c278f3d2b689060c579fb0b0df0c9f2696e4c2700
PDF
Publication page9763dee9cb2d3d2f3b3d6c4440c9b3286bc73c9d74454aa7b1c60f1275acc833
Manifeste54d1d0f8e7ba1ba4d3ed61bce98f46e6d550897988309fcb2553151a4d7bd59

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
SignaturewyTq/v8YvctxDdsEozNu+eruMRLmcbI04RYoQj4XduKpoabWVkYOmNKrfW5908+7//5hqNFMUuzdX5i8lw/wAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:28.249788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008544
observed 9763dee9cb2d3d2f3b3d6c4440c9b328...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:28.229897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008544/manifest.json
observed e54d1d0f8e7ba1ba4d3ed61bce98f46e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:28.205526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008544/publication.md
observed 72f40f5b4b13d2225b8e7d1c278f3d2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:28.182576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008544/publication.txt
observed 81fb0935dbea437abd74a611a42b1669...
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.