OpenTechnical

OT-2026-000016875

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, three 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-2026-000016875) never changes.

Identity and time

Publication numberOT-2026-000016875 · never reused
Internal UUID01a0ae6e-591a-71d2-932f-ee65fe135dde · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016875
StatusPUBLIC

Content hashes

Canonical textaabdd1e4a4190238f15de45276655275c9bd3f2ec43cff86f5d028d9658cb9e9
Markdown26d96e782db6528556abf55c4801fc61f365b5451926c8e28dec4f4b2e0e14f2
PDF
Publication page00cbc85a4fe0c0682f9456a828ae4e256bebf78e5dfe8fd5fc89b1abd480afff
Manifest9b88c578e65a92ee0fd584f6e56eb768b714f0f501acc6a504c5c23e56cc21fb

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
SignatureMmEcfEV+KBsbW1xGlpIOF73nMYhzw+Z75X7fuBP51e/07ovZ4ZJJVXKeafMk56RMlYq9I8p2hDJZJnZz6eh7Dg==
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

2026-09-17T12:03:08.721081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016875
observed 00cbc85a4fe0c0682f9456a828ae4e25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:08.704844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016875/manifest.json
observed 9b88c578e65a92ee0fd584f6e56eb768...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:08.689568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016875/publication.md
observed 26d96e782db6528556abf55c4801fc61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:08.674471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016875/publication.txt
observed aabdd1e4a4190238f15de45276655275...
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.