OpenTechnical

OT-2026-000023517

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, sustained 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-2026-000023517) never changes.

Identity and time

Publication numberOT-2026-000023517 · never reused
Internal UUID01a0ae70-7269-753d-bddf-cfcc5a182202 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023517
StatusPUBLIC

Content hashes

Canonical text9991348f9eded06349e5b2ea128a61e40c01f247696f84dc85c45ba8bb2decf2
Markdown79a5c525e613df9477c765cf5e512fdf55bb929c7a0c0217999a013c3d03834e
PDF
Publication page93f1956745d5df777e9d32ed10f00e4489d6196cb36ad0de10239c41f57352bf
Manifestb02daf3079f04aa19e276d582c9b24300696fc3ef9ba949642806a17933a49f7

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
SignatureHHabVoEwy0ivQgmZTG8by/xywvrxnSniFDFl9lyJ/bbuyoWUSaWNTwOmnDnUv16t+j6vYL25yDVpfkKOgaprCw==
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

2026-09-17T11:51:45.404331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023517
observed 93f1956745d5df777e9d32ed10f00e44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:45.387356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023517/manifest.json
observed b02daf3079f04aa19e276d582c9b2430...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:45.369790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023517/publication.md
observed 79a5c525e613df9477c765cf5e512fdf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:45.351427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023517/publication.txt
observed 9991348f9eded06349e5b2ea128a61e4...
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.