OpenTechnical

OT-2026-000079137

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000079137) never changes.

Identity and time

Publication numberOT-2026-000079137 · never reused
Internal UUID01a0ae95-ccbf-7df4-85af-791aa17935a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079137
StatusPUBLIC

Content hashes

Canonical text2750606e01af41b01d2494d05ed97bdc5a26033ede3b1ae4e6eb5a36c17488fd
Markdown4a35e14b6118c644e8a710aab3456f4a3e4958d97743becb43b38b39e77bbc65
PDF
Publication pageb36f2a3228303acac6f8a209e2844ef58be2588675d821e62f871d1f782a608c
Manifest571ed14c054519a2f9bcee735ab344c99379c5bdb73dd789b2459615bf2c553e

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
SignaturePZ3pMLMGTrKz9nrKe3Lj+sdfqIzNmSmiQoZ93nOl4WD9EubFPza6Pjn92qBuJCWIVptI5B7cR/mRjGjBFNQaBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:05:59.182479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079137
observed b36f2a3228303acac6f8a209e2844ef5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:59.163783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079137/manifest.json
observed 571ed14c054519a2f9bcee735ab344c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:59.146196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079137/publication.md
observed 4a35e14b6118c644e8a710aab3456f4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:59.127087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079137/publication.txt
observed 2750606e01af41b01d2494d05ed97bdc...
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.