OpenTechnical

OT-2026-000015403

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, pulsed blow-off before 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-2026-000015403) never changes.

Identity and time

Publication numberOT-2026-000015403 · never reused
Internal UUID01a0ae6d-ef49-77ea-8e7e-6661657106d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015403
StatusPUBLIC

Content hashes

Canonical textdb0b10316c1f10f24d6cc581d2e8b593d48da3f14b59225ebda9ed0f7a37e325
Markdownd3270ea8e559252109fbd274b7982d824f51a2d17bda812c31cade0a6a6a2899
PDF
Publication pageb38a268345c30045499351d1da8dd31f61513df01a2a9ad261475b0eaa8cec86
Manifest11bfee99fa84077264e7afdb3936ad3714aa395f4f83bf7c65d2c2d3416a839e

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
Signatureyqqev0W+mfkfSFgzCJSZXiHFsTcKEtHINhgi5yFZQZyhvMroKTBUW0oD/wOxIxbtCeeD3J7mSK7nh6KWkdJeDg==
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

2026-09-17T12:06:07.713862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015403
observed b38a268345c30045499351d1da8dd31f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:07.692928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015403/manifest.json
observed 11bfee99fa84077264e7afdb3936ad37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:07.672411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015403/publication.md
observed d3270ea8e559252109fbd274b7982d82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:07.652268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015403/publication.txt
observed db0b10316c1f10f24d6cc581d2e8b593...
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.