OpenTechnical

OT-2026-000033800

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off before 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-2026-000033800) never changes.

Identity and time

Publication numberOT-2026-000033800 · never reused
Internal UUID01a0ae75-a391-7d23-b39b-e8df07fc6b09 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033800
StatusPUBLIC

Content hashes

Canonical textfb679cef5858e1cdee030fb0fc4f2b3fe46c8b22f27bc48e044069dd4197ff59
Markdownaf85a3f4577ee988ed11bb46ecd05262df7b74ffa735a0d11fa886f422a52e80
PDF
Publication page4a47cd0f37aa1582fb310725a517d3c8fd9b8538fafaf042affb0568a0d4787c
Manifest491b43b1e34db206663b68f3119d6b4f935608e74ba5b33091a9258945a655bd

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
SignatureDXYyNjXW85QDve6pngRz0B/Dtbf7UmionPLl5P4pbhKufzT2nAgk3R5io9E1MoiwZl6DAzjyoGSag1GgL3g4Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:31:50.603784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033800
observed 4a47cd0f37aa1582fb310725a517d3c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:50.587077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033800/manifest.json
observed 491b43b1e34db206663b68f3119d6b4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:50.567495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033800/publication.md
observed af85a3f4577ee988ed11bb46ecd05262...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:50.550108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033800/publication.txt
observed fb679cef5858e1cdee030fb0fc4f2b3f...
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.