OpenTechnical

OT-2026-000041673

Publication integrity record

Single cup vacuum gripper, common isolation valve, single stage ejector, sustained blow-off 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-2026-000041673) never changes.

Identity and time

Publication numberOT-2026-000041673 · never reused
Internal UUID01a0ae79-e8a0-7c65-b6d9-64cdc8a05ad8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041673
StatusPUBLIC

Content hashes

Canonical textf53a0fa8f1b63823de11cb154775dcae6b96de42e575e7feb13b7455f0f72c57
Markdown4238d23d5fb9bd5279dd633f1243cedf33839c5d63940dbdc7c95d320de0b1d1
PDF
Publication page5e254f1e862c9e362b067a32335d28a5872c33ec3e93e4f406184fc6312b7324
Manifest5b1075f1313d26a41dabe1b0fc58cb4f0f1efc9f6f31dae0e1795e398b8a12c8

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
SignatureURxJdbpyXoxB6Jk6Sqs4FuEUCvX3gpDUZ/NfZ6hxm+hz5oJpRhAmpcGpwoxM/BA5y329fB1Wqsy4uYgm44iSCw==
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

2026-09-17T11:16:28.785887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041673
observed 5e254f1e862c9e362b067a32335d28a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:28.768959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041673/manifest.json
observed 5b1075f1313d26a41dabe1b0fc58cb4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:28.751117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041673/publication.md
observed 4238d23d5fb9bd5279dd633f1243cedf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:28.732692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041673/publication.txt
observed f53a0fa8f1b63823de11cb154775dcae...
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.