OpenTechnical

OT-2026-000059741

Publication integrity record

Single cup vacuum gripper, three stage ejector, vented after set-down

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-2026-000059741) never changes.

Identity and time

Publication numberOT-2026-000059741 · never reused
Internal UUID01a0ae89-ec25-7bef-82f2-91fe18a4bbce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059741
StatusPUBLIC

Content hashes

Canonical text8a73f30fd0434944216cc75be47eea0d2caa9ff244adcd922eb76743d3961340
Markdowna2dcee78f3bdad26cd158239196037bc9ae4bd97d079c899998ddff4346308aa
PDF
Publication page5eec0cbf09ca80b324e5f5642b0107a3b1c7517c11ebcfb827499a6336a7c89c
Manifestaac84a5bc2cb3a45920dc6b2c2e5d205d95120715538dedae3f7214f28e6d559

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
SignatureaItRIIEUNPEaw7UKW9jbRoNCMZrb90qeZcuI1TNv93t0qWKPnqaEie8vIZRlDmDMNJtxEw163yak01q2NX5pDg==
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...

Independent retrieval

2026-09-17T10:44:27.796781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059741
observed 5eec0cbf09ca80b324e5f5642b0107a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:27.778711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059741/manifest.json
observed aac84a5bc2cb3a45920dc6b2c2e5d205...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:27.760750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059741/publication.md
observed a2dcee78f3bdad26cd158239196037bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:27.743593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059741/publication.txt
observed 8a73f30fd0434944216cc75be47eea0d...
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.