OpenTechnical

OT-2026-000032475

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, pump fed, pulsed 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-2026-000032475) never changes.

Identity and time

Publication numberOT-2026-000032475 · never reused
Internal UUID01a0ae75-106f-7795-855f-ac4e88f25a70 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032475
StatusPUBLIC

Content hashes

Canonical texta49caf26d863ff120453531bde40327736457e0d870a06852e04c7c08360e9b0
Markdowne86a41801757d86ac32672a2f95cb67a4691d6e14e33b7f424669337f65068c6
PDF
Publication page12b71f39f7a72d5fb67af6cb6f03026bdec753f258f941423a71b6ebcb1b3186
Manifest276ec7e3c30ced9a41637ba54063b95b7c62c34c54601ea8548525c46aeea505

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
SignatureHbT1voFIL+UMPg9WviNTqVYxmfmdLVxXRp/GeTifklaf6B3vkKtgdGTeJMBlu+BOgwzDjbIdhPMZRQ52cL4nCg==
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

2026-09-17T11:33:54.486555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032475
observed 12b71f39f7a72d5fb67af6cb6f03026b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:54.471599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032475/manifest.json
observed 276ec7e3c30ced9a41637ba54063b95b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:54.455233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032475/publication.md
observed e86a41801757d86ac32672a2f95cb67a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:54.437700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032475/publication.txt
observed a49caf26d863ff120453531bde403277...
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.