OpenTechnical

OT-2026-000104504

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three 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-2026-000104504) never changes.

Identity and time

Publication numberOT-2026-000104504 · never reused
Internal UUID01a0aea5-3422-704a-8594-33a6ec6e8c94 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104504
StatusPUBLIC

Content hashes

Canonical text942fe6425c22389097477b77e588b560aeaa34cd8e0706134bfa0ce3ce689414
Markdown44685a5e4bd77ff7e1e3fee57ba9d9fb8e8e0bf442100d3bb3e229cc7aaf5088
PDF
Publication pagedbab5b7f92d1dcf57a9782dce670184ffebfe465c3115bfa1f1b82f82f32ef8b
Manifest387c983a05849f87ebdcde62a7c38d8f50ff4e1514a58cbd8bd70ca25f8ac721

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
Signature/CtqsNjAmp+5qhkL8q8e+VztU0gdoTojbQ+ehIlSj8D3FNE+/6b8yeSFEBYJil/oHMLVW1MJDG7N5xex8IbEDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:21:47.729895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104504
observed dbab5b7f92d1dcf57a9782dce670184f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:47.711493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104504/manifest.json
observed 387c983a05849f87ebdcde62a7c38d8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:47.690757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104504/publication.md
observed 44685a5e4bd77ff7e1e3fee57ba9d9fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:47.674072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104504/publication.txt
observed 942fe6425c22389097477b77e588b560...
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.