OpenTechnical

OT-2026-000027083

Publication integrity record

Three cup vacuum gripper, three zone face, single 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-2026-000027083) never changes.

Identity and time

Publication numberOT-2026-000027083 · never reused
Internal UUID01a0ae72-3453-7921-9abc-67a5aa834212 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027083
StatusPUBLIC

Content hashes

Canonical text3d22fc8eaa1188d98fe7586854f38e5a5ef25e0b3feaf24f2f090873df850361
Markdown4c3972da8fbe4e3e462f83b2ef02ecb1be2ca55fc82af6b3ecaaf42a25d6ca4b
PDF
Publication pagecf7131100537d194e27e394e7d8458f48d4524eb2e10845769bd383ccb9693af
Manifestfd7cd8819613aa8ad8a1cabef5bfa901c0f63313b2e03bba685606fc737fa4a5

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
Signatureh+4FMrO/7RROePa2nVr3maY7YGoi7gykKKH6+h5ZzD7QDWtKnLfMZteAdvgW9rSt1PU5Ga9/VXt5UO89m3SMCQ==
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

2026-09-17T11:43:50.888269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027083
observed cf7131100537d194e27e394e7d8458f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:50.871440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027083/manifest.json
observed fd7cd8819613aa8ad8a1cabef5bfa901...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:50.852740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027083/publication.md
observed 4c3972da8fbe4e3e462f83b2ef02ecb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:50.836192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027083/publication.txt
observed 3d22fc8eaa1188d98fe7586854f38e5a...
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.