OpenTechnical

OT-2026-000011518

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, vented after 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-2026-000011518) never changes.

Identity and time

Publication numberOT-2026-000011518 · never reused
Internal UUID01a0ae6c-88ff-71ec-97ca-13b952a4fb0e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011518
StatusPUBLIC

Content hashes

Canonical text5bc0e813815418d174420a2149fc3b480eadaa9ea1ba7aa52a8a0d4832c75db6
Markdowneb198e3faa515048aa6907fc9ca31f5d949e6de95e6177ba62cf35f2c4012d79
PDF
Publication page2554b73956f7db1a538c9ff49b5f967e238eae6cb8b94fd02063157505837e4a
Manifestc93e433d04d1db83860678ee5e84440cee2e99ac4c0ac0da2c2f09829b7f6f13

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
SignatureoYYrB/YY+jGGSt6UfvorM+eytOXw1qmyoEi/enEX8mralk0l4mI8BgnfY/gMvoBVoy/8FyUs2QT4a7/jBiQSBw==
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

2026-09-17T12:13:18.239506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011518
observed 2554b73956f7db1a538c9ff49b5f967e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:18.219815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011518/manifest.json
observed c93e433d04d1db83860678ee5e84440c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:18.199250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011518/publication.md
observed eb198e3faa515048aa6907fc9ca31f5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:18.178894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011518/publication.txt
observed 5bc0e813815418d174420a2149fc3b48...
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.