OpenTechnical

OT-2026-000007419

Publication integrity record

Vacuum cup gripper, three zone face, per zone isolation, pump fed, polyurethane cups, oval form

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-2026-000007419) never changes.

Identity and time

Publication numberOT-2026-000007419 · never reused
Internal UUID01a0a97e-205f-71fa-8923-a41816fc3ff6 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:13:30.466455Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007419
StatusPUBLIC

Content hashes

Canonical text1183f0fcbfad277c962a2e447a8c114533912a9c7b851cd14ccfd415b804c5a7
Markdown1cb238ed9a3e70596cd82d5635f1e3b4150150c9bab8584ac8a29d476e32c72b
PDF
Publication pagef54176e50fc02f2195c35a293c19708f1ab81ccceac4f3f2533f60d4ead012a9
Manifestccc9e9c7f04250bc642b8bd96eda9f3d00875fdfc4567e79a546bcb4d0201532

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
SignaturezGLBUxlzYzGzmUcxQrFxZ+6IKhJrobgV9FinDvOSPgLCEqzPPylWNgisk6GypZy5pJx7Bgp5itlvpdJ+OxeyCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T09:20:06.421532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007419
observed f54176e50fc02f2195c35a293c19708f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:06.409028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007419/manifest.json
observed ccc9e9c7f04250bc642b8bd96eda9f3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:06.396615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007419/publication.md
observed 1cb238ed9a3e70596cd82d5635f1e3b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:06.383591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007419/publication.txt
observed 1183f0fcbfad277c962a2e447a8c1145...
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.