OpenTechnical

OT-2026-000011003

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, 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-2026-000011003) never changes.

Identity and time

Publication numberOT-2026-000011003 · never reused
Internal UUID01a0ae6c-540e-7eef-bde5-75ece7ba5321 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011003
StatusPUBLIC

Content hashes

Canonical text82281e020be5ada592f1636389915c999a4a61275b0eea298da4bb92dbdbcc8f
Markdowne5a70e8472ac2741722abad890ebded091d26cb0a5e397b77f68e418b2af2de6
PDF
Publication page132d0c1ba37ab455cd3b8a48549360e769b992e3f1fe7954ee28ec2842b885fe
Manifestebe175642cebc7bb28b08bdbc1d2538a1e1054e995129ab0fea10d336e99b4e2

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
Signaturev19UWOer+uoV7YxkjoLAJA44sISv1UY9gXRtbhbzllMXB1L9NJI5Fx80enfsH5dBuhjPW/uhGcXsNk+CJbOiBw==
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

2026-09-17T12:13:49.130097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011003
observed 132d0c1ba37ab455cd3b8a48549360e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:49.110301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011003/manifest.json
observed ebe175642cebc7bb28b08bdbc1d2538a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:49.088418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011003/publication.md
observed e5a70e8472ac2741722abad890ebded0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:49.068176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011003/publication.txt
observed 82281e020be5ada592f1636389915c99...
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.