OpenTechnical

OT-2026-000102921

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, 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-2026-000102921) never changes.

Identity and time

Publication numberOT-2026-000102921 · never reused
Internal UUID01a0aea4-be3c-7525-b7fa-1b027fc3231c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102921
StatusPUBLIC

Content hashes

Canonical textfb56eda10a25178164382d563903b018e4dd14243f2b968e0a9b265d13967c6e
Markdown90ca8be6c67ba45ae08bfa7163d913180ec2bf716748506536c95ef322554737
PDF
Publication page9ca46f709e46f18562ad28b2f49b190fcbf0257a5a9787400525d269db79530b
Manifest11d638202aab2b00e56753de77fa560f2cdee05e5f8708864d2cfd54532511c4

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
Signaturey3P0LRCcCzKIkxy0bS7WI44zODQDTCI2n3SdumjM9uoO7rCg2+fnUVpdXHah6JuDs21s+jEZESSxpVBKvzupCA==
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

2026-09-17T09:22:56.281664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102921
observed 9ca46f709e46f18562ad28b2f49b190f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:56.263775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102921/manifest.json
observed 11d638202aab2b00e56753de77fa560f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:56.245923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102921/publication.md
observed 90ca8be6c67ba45ae08bfa7163d91318...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:56.228834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102921/publication.txt
observed fb56eda10a25178164382d563903b018...
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.