OpenTechnical

OT-2026-000027517

Publication integrity record

Six cup vacuum gripper, six outlet manifold, three stage ejector, supply line pressure sensor, sustained 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-2026-000027517) never changes.

Identity and time

Publication numberOT-2026-000027517 · never reused
Internal UUID01a0ae72-6998-77bd-8ec0-8ade66a32b53 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027517
StatusPUBLIC

Content hashes

Canonical text026e3bfc35676a522514d144d2e184fe30ef35d90aaa3a7b94c8e932de666049
Markdown4dea86eb4596c90049f3e29a0f553c02eb8f9d1da28c4c87e7fbbfed3e34c7b2
PDF
Publication page1e9ecba86be151661d09e24a4dc0d8d054f61ba8ff906bd3a34e571f6fbf2c72
Manifest68d98474ba148181b4a3048ce5c4d00e2461e83ab8a48abc5674f6c897e6df28

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
SignatureRr9dtR936jZQMq8LM/WmPhTQTS4QI1z09J/HEjQ7lDpyv3Btf5L+4iyNB+It/ImTSPD5Xz5RIOgMMSQLuXQBCw==
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

2026-09-17T11:42:59.729070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027517
observed 1e9ecba86be151661d09e24a4dc0d8d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:59.709491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027517/manifest.json
observed 68d98474ba148181b4a3048ce5c4d00e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:59.688707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027517/publication.md
observed 4dea86eb4596c90049f3e29a0f553c02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:59.668642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027517/publication.txt
observed 026e3bfc35676a522514d144d2e184fe...
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.