OpenTechnical

OT-2026-000043844

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, pulsed 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-2026-000043844) never changes.

Identity and time

Publication numberOT-2026-000043844 · never reused
Internal UUID01a0ae7b-d677-7cf7-89f0-7751a26b8d78 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043844
StatusPUBLIC

Content hashes

Canonical textd97562bd50a1698ab79ab31baec61462d7edb7e99e9c8a576e9378a69f1c2bb7
Markdownfe376535450139e4ade0a304d871d334d5f1f2704802305f1302e81104e7e2c0
PDF
Publication pagefc4bcec3c6a96db574b22fb8a46853d563e0ca24075023d99471520866ebfc26
Manifestf62fac847ba67fc7b29b5e92f35ede1d817cd4b748cee1c551422eb1cddf85e1

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
Signature2hGmzEwQIBS7iSqghVTLUwAjuYl4bnKvCHpAKYvEKwwhGtX/Y/nnhRtiV/wqTHKVKzmd2BcrjU/mwEgPe2QFBQ==
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

2026-09-17T11:12:09.578431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043844
observed fc4bcec3c6a96db574b22fb8a46853d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:09.560471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043844/manifest.json
observed f62fac847ba67fc7b29b5e92f35ede1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:09.539927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043844/publication.md
observed fe376535450139e4ade0a304d871d334...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:09.520635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043844/publication.txt
observed d97562bd50a1698ab79ab31baec61462...
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.