OpenTechnical

OT-2026-000009949

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, vented 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-2026-000009949) never changes.

Identity and time

Publication numberOT-2026-000009949 · never reused
Internal UUID01a0ae6b-cb79-755d-868a-4f8dd6521969 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009949
StatusPUBLIC

Content hashes

Canonical text80ad8bd1563cd3a31a4971c97e477c9fb01515c4f80d9d8c1c9e612a747d7057
Markdownc064bd6a48774b1442b88959298abc3a45cd17b491f856473700538dbd26fc67
PDF
Publication page12bfe9ade1e780c46c83d2c147175c49e70a14bca8eac34f28c068711b35ceac
Manifestd63dd70d5976a823f59c1e89f6576f1884563cc38532e492cc8f721b8b082c9d

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
SignaturegdTad3vzGQYY0gNtHKSoaeUrUDWvkm65VMpsWmKewrTQowssKaZeccylpST/O85mvzYaVIYxhPXcFykfvrqeDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:15:58.950128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009949
observed 12bfe9ade1e780c46c83d2c147175c49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:58.929940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009949/manifest.json
observed d63dd70d5976a823f59c1e89f6576f18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:58.912289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009949/publication.md
observed c064bd6a48774b1442b88959298abc3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:58.894815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009949/publication.txt
observed 80ad8bd1563cd3a31a4971c97e477c9f...
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.