OpenTechnical

OT-2026-000026458

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000026458) never changes.

Identity and time

Publication numberOT-2026-000026458 · never reused
Internal UUID01a0ae71-f4a8-757b-ab5d-4ef33e53512b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026458
StatusPUBLIC

Content hashes

Canonical text0c2e288c752ec8504fa01d8bb56f3e97f42f4b0e880359c96c609691300926f2
Markdowneeada21edd9646cbcf4f72c63aec19c46bf45fcd1840089dfdc413e25da055c4
PDF
Publication page8fec8a06c66396594556729d044fff94c001c781ff70d5964b689e6971e61f8c
Manifest71bc7fba303d2eb139b80c2d8f88fd3c686b694a1af53d45b93dac2d8827f966

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
Signaturedn/g8ziIi+bCVuhlgsfbciNkNxf+s7N9uT21wREFUsbTyOVa6V4mzV0lL1p37mKkpkS2vAfOLeDYMbz9E4nxAg==
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

2026-09-17T11:44:24.927018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026458
observed 8fec8a06c66396594556729d044fff94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:24.910148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026458/manifest.json
observed 71bc7fba303d2eb139b80c2d8f88fd3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:24.894255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026458/publication.md
observed eeada21edd9646cbcf4f72c63aec19c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:24.879056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026458/publication.txt
observed 0c2e288c752ec8504fa01d8bb56f3e97...
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.