OpenTechnical

OT-2026-000017987

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, two stage ejector, 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-2026-000017987) never changes.

Identity and time

Publication numberOT-2026-000017987 · never reused
Internal UUID01a0ae6e-96fc-7d16-b75f-bd2cfe4b45ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017987
StatusPUBLIC

Content hashes

Canonical text5745da872a9f7c3680714a724f1ccbffdd724d99fdbeb84c23ebf495b9af2700
Markdown1cafc6721a3497ed4c818399240889826b372f083aeb770b2569468587e40738
PDF
Publication page3198d323a0f813bdba31172a5160612f4f4a4277b4433599d6bfed30f3065a9e
Manifestd20a11056201bc52e0d61c3b7e87cfe8a28a9fa7c15936262b9a4a638057d7bd

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
SignaturepRPWqgJmDXhkyP5+1wz+SdjufgndIqG+WN5yeDCL5HXdyPN9doqTniMJFd/lBHQ75PP2IDjvhfZxQK3KFY+hAQ==
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

2026-09-17T12:02:00.312869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017987
observed 3198d323a0f813bdba31172a5160612f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:00.295581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017987/manifest.json
observed d20a11056201bc52e0d61c3b7e87cfe8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:00.278878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017987/publication.md
observed 1cafc6721a3497ed4c81839924088982...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:00.263033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017987/publication.txt
observed 5745da872a9f7c3680714a724f1ccbff...
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.