OpenTechnical

OT-2026-000059532

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, 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-2026-000059532) never changes.

Identity and time

Publication numberOT-2026-000059532 · never reused
Internal UUID01a0ae89-ec23-7bb2-8000-2260c95fd283 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059532
StatusPUBLIC

Content hashes

Canonical text63b43df0926a2d7f88c602fdcc286a09c01b6c50ff69237a338950f669b69488
Markdowne2ca9e6ce3c153c57fb8b229dc55c009e7e4997e0fd384583b0fd112e26c045f
PDF
Publication page0ca0c2f7118dc05f4c6bbdd722f64068a986a0b5acdbcf6d710d259f245da3a5
Manifest0a6ad872387922e31dfa3dcad2143d3ff98967427322677659dfd475c303611f

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
SignaturefjK5r1mBhmYpfUVjpG/mMVZDk7GRh3xhOekzZkXMAagvlQsU+8jNzpXsJ8kWOczWef6q5Y3RH2Bkrzoq1CPEDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:44:08.963837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059532
observed 0ca0c2f7118dc05f4c6bbdd722f64068...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:08.932618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059532/manifest.json
observed 0a6ad872387922e31dfa3dcad2143d3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:08.907536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059532/publication.md
observed e2ca9e6ce3c153c57fb8b229dc55c009...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:08.881232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059532/publication.txt
observed 63b43df0926a2d7f88c602fdcc286a09...
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.