OpenTechnical

OT-2026-000080913

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, 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-2026-000080913) never changes.

Identity and time

Publication numberOT-2026-000080913 · never reused
Internal UUID01a0ae96-b975-7a0f-b1eb-1b9602557d1d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080913
StatusPUBLIC

Content hashes

Canonical texta7ef05fca637b53aa59a121a54ca5e370a1bc84585294bb6d63cf4167599b2e2
Markdown3ee694b3a39a91ab7bebb81b0209d6e47996129e4dab6727f6624954e7725367
PDF
Publication page1ce664922158ed521ecaf5b8955347b48e09912daf1718613331474c41d7683e
Manifest215f6d4b02d85bffea82fab45ebd66b3ee5ce2f6aee10f15881088e54d947e72

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
SignatureWYJw180m7hBCqUJJT0ts6ivcO9kRqpxXcn8ys5WTCfLPjnDHg0ti+bv/9f3TErtkpjU0rvjmjqZbV8bjI3DqAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:02:06.961010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080913
observed 1ce664922158ed521ecaf5b8955347b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:06.942708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080913/manifest.json
observed 215f6d4b02d85bffea82fab45ebd66b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:06.923573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080913/publication.md
observed 3ee694b3a39a91ab7bebb81b0209d6e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:06.905751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080913/publication.txt
observed a7ef05fca637b53aa59a121a54ca5e37...
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.