OpenTechnical

OT-2026-000016547

Publication integrity record

Foam pad vacuum gripper, three zone face, three 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-2026-000016547) never changes.

Identity and time

Publication numberOT-2026-000016547 · never reused
Internal UUID01a0ae6e-2d13-7fbb-b105-24e9874079d1 · 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-2026-000016547
StatusPUBLIC

Content hashes

Canonical textdb06745d2ae010167f841f5efb0dea8e486fa0352a36df42a483252efcb695bd
Markdown3474ffc6d31a926c99df8a5c49e410c6afd3ce7efc8edfecc038ac5072cee23c
PDF
Publication page093ae281515967a918e3e1648bde816c2f37062f52acc8e0e3fc03bd3097a2c7
Manifest4511df5295a0dd734791cb451a8f71ed081182ce106c312fe96c8dc98f333690

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
Signature52qxfC1ftsDo2qG22ZDtlHhfJVLiy4bF1cHtX0ak5TJK+/W5+xqtZ8OkSNfzI9/YLxicdWpZnKS7XTXaGrwxCg==
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

2026-09-17T12:04:46.285596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016547
observed 093ae281515967a918e3e1648bde816c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:46.266438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016547/manifest.json
observed 4511df5295a0dd734791cb451a8f71ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:46.245993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016547/publication.md
observed 3474ffc6d31a926c99df8a5c49e410c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:46.226917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016547/publication.txt
observed db06745d2ae010167f841f5efb0dea8e...
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.