OpenTechnical

OT-2026-000056892

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, three stage ejector, sustained blow-off 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-2026-000056892) never changes.

Identity and time

Publication numberOT-2026-000056892 · never reused
Internal UUID01a0ae87-7af8-76c4-9fa8-ac1b3c89e38a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056892
StatusPUBLIC

Content hashes

Canonical text2aaee9b8979de03a964ad367b5e0844dff1fec45a8e29a801545e979d65e118a
Markdownf45a9abbebca38f041ab6b964a65e14f8f51b430f1867432c8c7084ba7d4f46f
PDF
Publication page3a56c15428902a3f1f2f1a6b42c7e3edd325426b9f59358b11a0c0bc02aa32d0
Manifest78c078e6a60e6ca53a4e6dd2c5d855951a8319aa1d24b2c48590495bb3dab62f

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
SignatureQv1XlIYwY3uKzqw76rgx2tO5BuTvbdQlSucMuKrHyHr3hMerIfrxdKv3lMIiuckp3tKZox+zBDKqv6Nbu3SjCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:25.662503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056892
observed 3a56c15428902a3f1f2f1a6b42c7e3ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:25.643469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056892/manifest.json
observed 78c078e6a60e6ca53a4e6dd2c5d85595...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:25.619323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056892/publication.md
observed f45a9abbebca38f041ab6b964a65e14f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:25.603487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056892/publication.txt
observed 2aaee9b8979de03a964ad367b5e0844d...
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.