OpenTechnical

OT-2026-000017631

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, three 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-2026-000017631) never changes.

Identity and time

Publication numberOT-2026-000017631 · never reused
Internal UUID01a0ae6e-96f9-7f0f-ad03-2e3fa11355a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017631
StatusPUBLIC

Content hashes

Canonical textc1b3e171e12343bf7a5571cc8e1c0dd58a6275b67759337d1541036448dd1e23
Markdownf8d41cb623350c503b5e49cc341c77b37243fdbe2bb9fd5ac8d7971a8fc3a9b4
PDF
Publication pagea06da8a166ff7a1de0d0d5cacb67e1219b92ac7aedd2132f4f915df44382bb8c
Manifest9c3a41675ace6f0a62304bcb703d6c9ebb423dee5bb0296f1617a978af8f623b

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
SignatureBZtAfWOtBgOAWpumGVfpBaW8T1xigrud56bvoNhOUXir8xHSNPkV3Ptm8SvXSHcuyUwYDVw9Nxktrrh09W3NCA==
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

2026-09-17T12:01:26.582411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017631
observed a06da8a166ff7a1de0d0d5cacb67e121...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:26.564577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017631/manifest.json
observed 9c3a41675ace6f0a62304bcb703d6c9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:26.547473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017631/publication.md
observed f8d41cb623350c503b5e49cc341c77b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:26.529165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017631/publication.txt
observed c1b3e171e12343bf7a5571cc8e1c0dd5...
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.