OpenTechnical

OT-2026-000049109

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained 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-2026-000049109) never changes.

Identity and time

Publication numberOT-2026-000049109 · never reused
Internal UUID01a0ae81-134d-7dda-b281-a9ff656eb210 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049109
StatusPUBLIC

Content hashes

Canonical text45e628f2dc90b0b83584713dcce871d44df7fca1556c6b86dfc8167bb900b54f
Markdown9eba75aad5ad589217134db8d1ecc25ff8591b60ba156c2c82947d502ca281f1
PDF
Publication page89715c7e62e3a5b422472fa20fd0c0c4937dc643facb4fcc272dba2b81e958aa
Manifest2433a1609035c54d76acbfc27ee0d9476f2ad16ea1ba9c5d4488bad7c5743845

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
Signaturenh2+fTJypj7j/wcL4yKn7+NmYcCgU7AE3NYai1sGrQ7KvTn3j/nNTEnYcX+1Ao7Tt5/frwz2X3dPo0hA0C4QDQ==
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

2026-09-17T11:03:22.014924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049109
observed 89715c7e62e3a5b422472fa20fd0c0c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:21.997380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049109/manifest.json
observed 2433a1609035c54d76acbfc27ee0d947...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:21.978876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049109/publication.md
observed 9eba75aad5ad589217134db8d1ecc25f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:21.960204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049109/publication.txt
observed 45e628f2dc90b0b83584713dcce871d4...
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.