OpenTechnical

OT-2026-000026736

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two 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-2026-000026736) never changes.

Identity and time

Publication numberOT-2026-000026736 · never reused
Internal UUID01a0ae71-f4ab-750b-98f5-e0fb3c50b12f · 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-2026-000026736
StatusPUBLIC

Content hashes

Canonical textf396835295148a9b2b0756512ea3d73f248f69158a920e09a680ed2498ef07ae
Markdown4b0837645207a3711dec9af35ef9a59df6d6cc735bdf27c124cb9aac9e847dff
PDF
Publication page8d067021ee41434113e842e11c770ea102dff795363aac2083f04a64e7622096
Manifest6bfd263ab11390e28d5a70cb7df2e5dd107db05b26b72792484e8aed938cba4a

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
Signature1ot4jkB6NvsniRd1GwR+Yhdl+Nuj9QwkVxuJmPyjUdfDEPh3ZL5MaR9ePevdr8wg2xW5wUJP5NX9unK2RzeACA==
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

2026-09-17T11:45:55.206286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026736
observed 8d067021ee41434113e842e11c770ea1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:55.187605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026736/manifest.json
observed 6bfd263ab11390e28d5a70cb7df2e5dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:55.168358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026736/publication.md
observed 4b0837645207a3711dec9af35ef9a59d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:55.147193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026736/publication.txt
observed f396835295148a9b2b0756512ea3d73f...
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.