OpenTechnical

OT-2026-000059832

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, sustained 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-2026-000059832) never changes.

Identity and time

Publication numberOT-2026-000059832 · never reused
Internal UUID01a0ae89-ec25-7258-8fbb-be7faf78e09f · 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-2026-000059832
StatusPUBLIC

Content hashes

Canonical textd37f68898b2199f3d8a93e0a4d9b6b2c1e088d46526d8f6571c867911e4b682a
Markdownc41756dfb059b4cbbbb99dfe0e2a5d9b9259f0f357291402b4a3c9f54c17cfd7
PDF
Publication page734f1cfd7b2f9b8af2517d47c64da603edc87658c4a227d72c0e4c117150b724
Manifest12ed771e18f0e8ffa0b5e751c52b6633041f7857fe6ff86bc02ec9d66ed10065

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
Signature4b1zqh5uT2SYy7t+VQERvk28q57aAbIFDbPXLD6u/MnMOdR2CRTXNzMFBwvkPuSYabDdsCvB4jLMuWUfpYIWAQ==
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

2026-09-17T10:44:34.698189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059832
observed 734f1cfd7b2f9b8af2517d47c64da603...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:34.680570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059832/manifest.json
observed 12ed771e18f0e8ffa0b5e751c52b6633...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:34.661903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059832/publication.md
observed c41756dfb059b4cbbbb99dfe0e2a5d9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:34.643851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059832/publication.txt
observed d37f68898b2199f3d8a93e0a4d9b6b2c...
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.