OpenTechnical

OT-2026-000023814

Publication integrity record

Foam pad vacuum gripper, three stage ejector, sustained 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-2026-000023814) never changes.

Identity and time

Publication numberOT-2026-000023814 · never reused
Internal UUID01a0ae70-aed5-7c74-b24f-e0df77326c15 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023814
StatusPUBLIC

Content hashes

Canonical textc8451800c4310955e902cb5a690b4658bea613e219a9593861a86774928b1dc4
Markdownfd78728bd27d31fa47ef4752476a80a6c45859e6e50559e541d523b5249123c8
PDF
Publication page8ce6c12fe7b24be3bd4f3af4b60c33c7435b732bb5ba6615e402d4a0c3d7c19c
Manifest74a2b1d885d39a06f4917d54e51883326d00b5e2df61f0be15a0456bb1f70111

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
Signature0pDGNHCz3k7jKlAsYjnxAuKWFPtbbDKZsRwzXPVUruZ79QI5JNJOq/UNhecV6deqar0j2ghZIQ4SMWSe0NtECw==
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

2026-09-17T11:50:17.802527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023814
observed 8ce6c12fe7b24be3bd4f3af4b60c33c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:17.783923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023814/manifest.json
observed 74a2b1d885d39a06f4917d54e5188332...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:17.766851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023814/publication.md
observed fd78728bd27d31fa47ef4752476a80a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:17.748744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023814/publication.txt
observed c8451800c4310955e902cb5a690b4658...
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.