OpenTechnical

OT-2026-000087116

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, single stage ejector, 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-2026-000087116) never changes.

Identity and time

Publication numberOT-2026-000087116 · never reused
Internal UUID01a0ae9a-9f2d-70bd-9530-a7b1a912c83e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087116
StatusPUBLIC

Content hashes

Canonical textf268ba8d07fdea0fdd5c79d0ebee87289c093f09ddd204dd49d0e2cb9fc4dabb
Markdownf29c2d71a307fd6ca9a7012d3167015b21ca0d74078b9c0720192aa67b16f97b
PDF
Publication pagec46c9b8fd6e9f4099af94534c1008e6a40ecd76dd1b361ef70d9a4e25b40ac79
Manifest230c623edfed18dd12e8eb323e77b0e895f5695fa21b66b68f2cbc04ecbbb1b8

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
SignatureCgU1b12Ld90WNfcM1V9LivG84adofBU8Qeau2rDTt6OzpoRo6a29CYveGoZA83iVU2etjS7D0YeIYITkPrV1Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:51:22.690808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087116
observed c46c9b8fd6e9f4099af94534c1008e6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:22.675521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087116/manifest.json
observed 230c623edfed18dd12e8eb323e77b0e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:22.660851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087116/publication.md
observed f29c2d71a307fd6ca9a7012d3167015b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:22.644956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087116/publication.txt
observed f268ba8d07fdea0fdd5c79d0ebee8728...
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.