OpenTechnical

OT-2026-000040375

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, pump fed, supply line 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-2026-000040375) never changes.

Identity and time

Publication numberOT-2026-000040375 · never reused
Internal UUID01a0ae79-2701-7388-95bc-3d6a52b6a905 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040375
StatusPUBLIC

Content hashes

Canonical texte43a2d2196d6b5545ba47ea206190208272b8c4c576df853e3a44eadd53520fb
Markdowne67fc01c7cdb81901b34c8ab4a4e2a90be41577c29b7d15bf9900bb718f2200a
PDF
Publication page9640435e35ca363090cda0f91f2e4d8be6b8381b742c693d66f0f6d4aef5aa81
Manifest74b787fbcf4ba61b0de40ba3e29e7444d40283a669d37bd1bbc3a87e41b07522

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
Signature/yt69Q+qbnMbfN9qJqon+QlltczWWtUgZ2wGvwgJpVkFcU6Sn7DgEnhV+ZWGeUb5ptxG+SJMXN/Su5m2PkwJDQ==
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

2026-09-17T12:42:28.028338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040375
observed 9640435e35ca363090cda0f91f2e4d8b...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:42:27.873897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040375/manifest.json
observed 74b787fbcf4ba61b0de40ba3e29e7444...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:42:27.747121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040375/publication.md
observed e67fc01c7cdb81901b34c8ab4a4e2a90...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:42:27.465873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040375/publication.txt
observed e43a2d2196d6b5545ba47ea206190208...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T11:19:23.767156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040375
observed 9640435e35ca363090cda0f91f2e4d8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:23.750342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040375/manifest.json
observed 74b787fbcf4ba61b0de40ba3e29e7444...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:23.719384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040375/publication.md
observed e67fc01c7cdb81901b34c8ab4a4e2a90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:23.690463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040375/publication.txt
observed e43a2d2196d6b5545ba47ea206190208...
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.