OpenTechnical

OT-2026-000043931

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, three stage ejector, manifold pressure sensor, pulsed 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-2026-000043931) never changes.

Identity and time

Publication numberOT-2026-000043931 · never reused
Internal UUID01a0ae7b-d678-72a9-be42-2c69ad53a1dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043931
StatusPUBLIC

Content hashes

Canonical text9d11c93fdbd0c7c402a6e47b3da3e2ce2c54218b5c6b91018436e48b843a3763
Markdown3c4ea5ad88081bb5846426e65d2e809be1219cf49658ee8a9aecfe6118d0d3ec
PDF
Publication pageb7acd3e258f137ba1ba090d79a2f94372db0c3a0abb9503f394efa0d90781b26
Manifest851f9295f52497d7596bc6fab1867938c77bee204cc80ff2c2812f29eb0d3de5

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
SignatureQPr0TqUKs6P+3Jrb6dt49ysv8T/nIHlwcwW38cHE6pjKkI32C4Mp8Po5ak1TGxdxKQkRaChliQxrRMNbOT81CQ==
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

2026-09-17T11:12:16.766237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043931
observed b7acd3e258f137ba1ba090d79a2f9437...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:16.746673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043931/manifest.json
observed 851f9295f52497d7596bc6fab1867938...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:16.728027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043931/publication.md
observed 3c4ea5ad88081bb5846426e65d2e809b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:16.707373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043931/publication.txt
observed 9d11c93fdbd0c7c402a6e47b3da3e2ce...
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.