OpenTechnical

OT-2026-000021164

Publication integrity record

Six bellows cup vacuum gripper, 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-2026-000021164) never changes.

Identity and time

Publication numberOT-2026-000021164 · never reused
Internal UUID01a0ae6f-865b-7d14-ae62-fa9a00c051b3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021164
StatusPUBLIC

Content hashes

Canonical text68afaeebf7c4a625f2a3c5e1e9438eff41f1c0bd7b3631a234cf8d0054bf1ef3
Markdown2e88694aec4981c21a798a4f04790441124ab385972df9cc8c2a3a9130e57113
PDF
Publication pagee3e98c5e4034920dc26f0a747b17991cb7b88d71357cfd6997fa05ea72e91cd9
Manifestfe9273af889e288b6cc4bede6ba8e24fcda6abcd0b324e0a25ea5e0f0ea2ec77

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
SignatureYBEdSqXuAnyXjYO6DDg893BgXULmILmPN1HEsyARMn9w717pUSgJE9t20ZdU4vGSmrLLsipS5wZXyy5YH4vvCw==
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

2026-09-17T11:54:55.872727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021164
observed e3e98c5e4034920dc26f0a747b17991c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:55.854307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021164/manifest.json
observed fe9273af889e288b6cc4bede6ba8e24f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:55.833391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021164/publication.md
observed 2e88694aec4981c21a798a4f04790441...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:55.815748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021164/publication.txt
observed 68afaeebf7c4a625f2a3c5e1e9438eff...
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.