OpenTechnical

OT-2026-000027799

Publication integrity record

Foam pad vacuum gripper, four zone face, pump fed, pulsed 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-2026-000027799) never changes.

Identity and time

Publication numberOT-2026-000027799 · never reused
Internal UUID01a0ae72-a4a4-7ee7-ad28-7d3c63439af7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027799
StatusPUBLIC

Content hashes

Canonical textdba752cb3987002e43da8ea0c72846cbc21d5a51da035648c241942b1e0eebb4
Markdownce11470959acca4616e6d6aa8668e545486b398d35627c5fb5c890fb2571094d
PDF
Publication pagea8c472cecb9d334d0bfbbf51e7ba44fd9c5a9d8218ff0ea898eeb57ff6693df2
Manifest2827c55c462839d9b4d4102b59803b2ce7dd80f2f293e47b68ee2f25ce663f5b

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
SignatureZrRrXne3UqsNRsiul+hbi/28FlmPLxGUtJ8EDq4bF/p5TjMBDWsqS+DnUzxFBb36cAFcjoWYyKpnXjrTfvtRBA==
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

2026-09-17T11:41:50.795301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027799
observed a8c472cecb9d334d0bfbbf51e7ba44fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:50.776891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027799/manifest.json
observed 2827c55c462839d9b4d4102b59803b2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:50.759956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027799/publication.md
observed ce11470959acca4616e6d6aa8668e545...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:50.744377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027799/publication.txt
observed dba752cb3987002e43da8ea0c72846cb...
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.