OpenTechnical

OT-2026-000013153

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two 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-2026-000013153) never changes.

Identity and time

Publication numberOT-2026-000013153 · never reused
Internal UUID01a0ae6d-6fc8-79c8-8eae-4f63a77e75c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013153
StatusPUBLIC

Content hashes

Canonical textd3fafdf77b3bc119c5a277fe99597fc0d43f927f20e3e523629541e720752a39
Markdown82232335ec7ef16dd1299b0dd355e03b7064b019720b77184763f08b8620e07e
PDF
Publication page8176423bd2b03e94d22974eb8b4f311e591c87e98eb2913328c6c4a3273e4bfc
Manifest6f557ec256f6f6c881cb56aabbbeec73841d43507d7247e2ac916a2cb74c3a58

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
SignatureCmY2s2zSCGXckaEU1EnDLfvZ5CtQq3rTGrUKEImr5ABAW0hhd0JpuhkFtxLi68tWkJnmWALRoQvsD4nxn9GWCQ==
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

2026-09-17T12:09:31.255749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013153
observed 8176423bd2b03e94d22974eb8b4f311e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:31.234989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013153/manifest.json
observed 6f557ec256f6f6c881cb56aabbbeec73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:31.214406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013153/publication.md
observed 82232335ec7ef16dd1299b0dd355e03b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:31.192262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013153/publication.txt
observed d3fafdf77b3bc119c5a277fe99597fc0...
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.