OpenTechnical

OT-2026-000016431

Publication integrity record

Foam pad vacuum gripper, three zone face, three 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-2026-000016431) never changes.

Identity and time

Publication numberOT-2026-000016431 · never reused
Internal UUID01a0ae6e-2d13-7fb8-8fec-6721e7a1de7c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016431
StatusPUBLIC

Content hashes

Canonical text27d9d621eb31685dcf50b02fad121a87d174bb4d3974a59e3a380c4ca36ea634
Markdowna5f0bb26ee886d81e81990f5edca0d97e518e4a1720ef89db982da5bd16b6503
PDF
Publication page2a5cf834dc034b9a02b669410621180a5d0d0869c0b3f9891f94a71f0e0843b1
Manifest116041d3cfeaffaa7330b04d5ee0d6c6d6cfe4c6bdece81afeccc0047cbf2b76

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
SignaturetIxTm83w0AmeL2QTl+IhMSHHdBIo/jdkxFqCXx0R0qBsqGcbyGzykz4rZIlYfOkFsA7JBJA6FOkbfURMhQKrBA==
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

2026-09-17T12:04:31.599986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016431
observed 2a5cf834dc034b9a02b669410621180a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:31.577364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016431/manifest.json
observed 116041d3cfeaffaa7330b04d5ee0d6c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:31.558012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016431/publication.md
observed a5f0bb26ee886d81e81990f5edca0d97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:31.538065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016431/publication.txt
observed 27d9d621eb31685dcf50b02fad121a87...
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.