OpenTechnical

OT-2026-000019642

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000019642) never changes.

Identity and time

Publication numberOT-2026-000019642 · never reused
Internal UUID01a0ae6f-1fb3-7f6b-9fdc-7d0d45e605cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019642
StatusPUBLIC

Content hashes

Canonical text76547f6ce2d575d47cde73f5370658e74d5282a5c7a03f73e369f586e045b560
Markdownceaeae50a5211e960e737fdf31dd46581529f1db212973a4c7f10ebb6024ad15
PDF
Publication page999bc6f5c2d26c5e231895e4a7d59caf9784118c9fd863166630bd77303ad65e
Manifestbcaba593cd5abab338137ee5026ae2defd950d90ea508c817164e787db2f3ebb

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
SignatureuNHZEtIvrqILOHt7usXRwZVdjkoyAKmrkOCuAzjR+LfiWAArI4JmHnt5kwPkq7yuV/RRyqtzwd0aHKANPVN6CA==
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

2026-09-17T11:57:42.251168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019642
observed 999bc6f5c2d26c5e231895e4a7d59caf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:42.233977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019642/manifest.json
observed bcaba593cd5abab338137ee5026ae2de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:42.214374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019642/publication.md
observed ceaeae50a5211e960e737fdf31dd4658...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:42.195500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019642/publication.txt
observed 76547f6ce2d575d47cde73f5370658e7...
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.