OpenTechnical

OT-2026-000103518

Publication integrity record

Three cup vacuum gripper, three zone face, two stage ejector, pulsed blow-off after 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-2026-000103518) never changes.

Identity and time

Publication numberOT-2026-000103518 · never reused
Internal UUID01a0aea4-e461-7275-93dc-6b3fb460d47f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103518
StatusPUBLIC

Content hashes

Canonical text5a28811c8558c760d9c77925f87da30c44c26319b29704fc2f1c43ff1bafcced
Markdown46011041313d74a4356451d03c76b04760e7bf1211c4bb04fc039d2090c9f627
PDF
Publication pagefe819dfd05a1e3ac00b8cd79bb33644cade41cef64d959bb1f332a0b8a667a72
Manifestd9c90e8c51177c3b32f65a25589292695b73e079be75204bfa2ea8d373c53bf2

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
Signaturef5VzO0geNpQzcIe74SomCvaIVu6A7TtN1MLHVZ4oxxlYsrQAs+HIMOq1q52E1AmctxoSA6gVUosDFvVGT1KIAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:17.293801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103518
observed fe819dfd05a1e3ac00b8cd79bb33644c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:17.277175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103518/manifest.json
observed d9c90e8c51177c3b32f65a2558929269...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:17.259774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103518/publication.md
observed 46011041313d74a4356451d03c76b047...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:17.243433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103518/publication.txt
observed 5a28811c8558c760d9c77925f87da30c...
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.