OpenTechnical

OT-2026-000069951

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000069951) never changes.

Identity and time

Publication numberOT-2026-000069951 · never reused
Internal UUID01a0ae91-1860-748b-9972-64b63d5bf921 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069951
StatusPUBLIC

Content hashes

Canonical text9b12a6ba210791eb7ce7d2e89b5599c24eb2f8aabe7c783369615605886187fc
Markdown46b0608cbe0653ad55eff2308d5f86316b7820aedbcf7c7391dc1b5221265ada
PDF
Publication page37e7fd6b5fd118eccf8c1112b868e98bcacef76321783ae1e91b2f5f9fc85a46
Manifest947d41c1bdbbab5b5588bf6a25a051c912c2c0d133edd0b20d2ec089ca9f7b06

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
SignaturejOymcvNQ1C0Il2ADe8R16NJyGXwVL8+07M6vDB7Ozig40tGOmwGxUGbYy1LEGJDSHD4LjBAyUPx5SsM+VH1mAQ==
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

2026-09-17T10:26:53.476839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069951
observed 37e7fd6b5fd118eccf8c1112b868e98b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:53.459564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069951/manifest.json
observed 947d41c1bdbbab5b5588bf6a25a051c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:53.441457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069951/publication.md
observed 46b0608cbe0653ad55eff2308d5f8631...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:53.424111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069951/publication.txt
observed 9b12a6ba210791eb7ce7d2e89b5599c2...
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.