OpenTechnical

OT-2026-000101177

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, pressure sensor per zone, sustained blow-off before 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-2026-000101177) never changes.

Identity and time

Publication numberOT-2026-000101177 · never reused
Internal UUID01a0aea3-c378-787a-854c-1baf5b7848c6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101177
StatusPUBLIC

Content hashes

Canonical textbb871732b9a7647a6e3c37223585acefbb67549c013fb273bbd87df50f4e1a9e
Markdownb9781101de90598195b5d4b88fa890f7aaf4a82ca7937b37597e23b0fd66a25b
PDF
Publication page3768022cd73aa2fd81e0433b1e4c18b8c8b88b96471c22db0adfdbe212f3a52a
Manifest8492cec6b68272d6c01540fbe785c745c2e9c03773f45a825ba8f513b5a79957

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
SignatureIwNAdfj9w4ElGNTIYX1XXnKd8aIdEmwAHt+Y8KTrMMG5l6rb3VHQULtb0Xv8ZpR+WP03+lFq02GXYIDx0f+lAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:49.310604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101177
observed 3768022cd73aa2fd81e0433b1e4c18b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:49.294160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101177/manifest.json
observed 8492cec6b68272d6c01540fbe785c745...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:49.276693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101177/publication.md
observed b9781101de90598195b5d4b88fa890f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:49.258892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101177/publication.txt
observed bb871732b9a7647a6e3c37223585acef...
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.