OpenTechnical

OT-2026-000026603

Publication integrity record

Two bellows cup vacuum gripper, two zone face, single stage ejector, 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-2026-000026603) never changes.

Identity and time

Publication numberOT-2026-000026603 · never reused
Internal UUID01a0ae71-f4a9-7f00-af2f-f4f9902653f3 · 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-2026-000026603
StatusPUBLIC

Content hashes

Canonical text89e12aa0f0636b75dd4b6145f9e0fb9cb4e94e5da8a2cc0abd32f97e52669b69
Markdown818c3650e596f41c7e0faf32ace774b94191f42c877c8293c39884da8ac5a563
PDF
Publication pagedd810db7d47af5ab579af9accda225242a11eba3d00c4c77616a30b96305e8e1
Manifest183da4cff8bc3b4c6ccfc6203289110c9f0c4f4715c6732d8e7cf293fca09ad6

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
Signature5W2kPL9bjB1i2anG9TUYCyaI5GcQKykEeYcVX4cDufm3BpFvR7q/H5BwAyl712MtuX13cCLRgERdNHURH/zoBA==
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

2026-09-17T11:45:40.609464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026603
observed dd810db7d47af5ab579af9accda22524...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:40.589522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026603/manifest.json
observed 183da4cff8bc3b4c6ccfc6203289110c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:40.562533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026603/publication.md
observed 818c3650e596f41c7e0faf32ace774b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:40.540906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026603/publication.txt
observed 89e12aa0f0636b75dd4b6145f9e0fb9c...
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.