OpenTechnical

OT-2026-000018799

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, two 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-2026-000018799) never changes.

Identity and time

Publication numberOT-2026-000018799 · never reused
Internal UUID01a0ae6e-d521-7a39-bbcd-8fd153a3fb4d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018799
StatusPUBLIC

Content hashes

Canonical text594acb176e71fb43b107b144109bf84269d49d49b9767ccb15cfcf3af83252c7
Markdown7fd8b5da7ac31e93ea5986fb02c33a2ae0a0f7d3e33235be79347f6177d2ad22
PDF
Publication page774bf2675f0dde0ad4ad998e266dce9b5ef311787ab01c7aa6436e699ceeb49d
Manifest5f07edfc1c4aad6322d941b560cd90d25181adb55cde3afa47148ab9f08190aa

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
SignatureBTpd7NDCfIUz329ZHNwMPy3as8gGAH7FgzH4Qz6luhODeTcaoP0tFQxQpwzcia8Q2A1P81CwHQPxqMv6pFYPAQ==
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

2026-09-17T11:59:25.575448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018799
observed 774bf2675f0dde0ad4ad998e266dce9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:25.556963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018799/manifest.json
observed 5f07edfc1c4aad6322d941b560cd90d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:25.514127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018799/publication.md
observed 7fd8b5da7ac31e93ea5986fb02c33a2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:25.471293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018799/publication.txt
observed 594acb176e71fb43b107b144109bf842...
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.