OpenTechnical

OT-2026-000014550

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, 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-2026-000014550) never changes.

Identity and time

Publication numberOT-2026-000014550 · never reused
Internal UUID01a0ae6d-b27b-7213-9791-61e6c0110b99 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014550
StatusPUBLIC

Content hashes

Canonical text8a47e3d28f5d7f1ecf1a3296590e27140dcd0482e23a6c1379b2abff4a3e9e3f
Markdown2de7d94df9091ddfb9a16538d8bde514ae5e4de3354c03e5aa79fd8d2e8b8dcb
PDF
Publication page0be6534067d960a3787a98b392c70ad12c1d84143dd9cd57b554188f449ad75b
Manifest94fcb3f1c5ab4f74a62e02e88997cdea35db6b606c85ea39726a6db2def9bc8b

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
SignatureSLsH/zAmyohgGID+kIPB/5+fMDyyxtpEMjN5GlN4MBfbL1zm5TjNxv0tMBad2WWrbhA2oMtL1nuwEMOD6aWpAQ==
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

2026-09-17T12:10:25.351139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014550
observed 0be6534067d960a3787a98b392c70ad1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:25.330575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014550/manifest.json
observed 94fcb3f1c5ab4f74a62e02e88997cdea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:24.100422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014550/publication.md
observed 2de7d94df9091ddfb9a16538d8bde514...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:24.069422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014550/publication.txt
observed 8a47e3d28f5d7f1ecf1a3296590e2714...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:27.170045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014550
observed 0be6534067d960a3787a98b392c70ad1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:27.152983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014550/manifest.json
observed 94fcb3f1c5ab4f74a62e02e88997cdea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:27.134302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014550/publication.md
observed 2de7d94df9091ddfb9a16538d8bde514...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:27.117226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014550/publication.txt
observed 8a47e3d28f5d7f1ecf1a3296590e2714...
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.