OpenTechnical

OT-2026-000010227

Publication integrity record

Four bellows cup vacuum gripper, four zone face, single stage ejector, sustained 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-2026-000010227) never changes.

Identity and time

Publication numberOT-2026-000010227 · never reused
Internal UUID01a0ae6b-cb7b-7615-8a2b-e0be84879694 · 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-2026-000010227
StatusPUBLIC

Content hashes

Canonical text7db5434d7bf8868d7b4b20c59cb22616bd0a0739974d57e18dba2575be945598
Markdown8710b86d2106824f76f8b21b401cb60a7caaf27217f72d12d62bbbebccf61664
PDF
Publication page92ee912d138de86c94ec1530275de733847d7c1007c76d10f8a77b05f30ddc15
Manifest37167378780897d667e2c1ef8b09b3189608761ae9a8842050c76b627be49612

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
SignaturelcPH21tDIk2A/X6mVyQzZmjosI1ggvsbWv7BogoFIeW0O4gQuFUy5fF/fJmFBwVCK+IDWcsrtjUGyEIvNQiLCA==
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

2026-09-17T12:42:24.058513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010227
observed 92ee912d138de86c94ec1530275de733...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:42:23.911385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010227/manifest.json
observed 37167378780897d667e2c1ef8b09b318...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:42:23.673349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010227/publication.md
observed 8710b86d2106824f76f8b21b401cb60a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:42:23.501159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010227/publication.txt
observed 7db5434d7bf8868d7b4b20c59cb22616...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:16:21.359328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010227
observed 92ee912d138de86c94ec1530275de733...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:21.336424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010227/manifest.json
observed 37167378780897d667e2c1ef8b09b318...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:21.317891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010227/publication.md
observed 8710b86d2106824f76f8b21b401cb60a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:21.299305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010227/publication.txt
observed 7db5434d7bf8868d7b4b20c59cb22616...
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.