OpenTechnical

OT-2026-000051989

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, vented 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-2026-000051989) never changes.

Identity and time

Publication numberOT-2026-000051989 · never reused
Internal UUID01a0ae83-e78e-7b80-a3c7-f86e4ba59138 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051989
StatusPUBLIC

Content hashes

Canonical textaf0dc376cb6f670c48fb687ab1c31cdb09bdacc1f2191ecebbc565e32a68b2e3
Markdown5a0e4a5677a9c5e0990073eae383157a391a31b6f1b040bb0aac02658d26b032
PDF
Publication page9f80f82e761dee803cce9ec4136e60d19e21dd1babb15331d0780dfd6c91dbff
Manifest105e7b8cf42928c05c29331718e12f5ad586ff7f59bf51fef71ae0f00b37c834

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
SignaturexekBU9/gs+kPv6rv9c6wIfB9Y2WqSfecxqE3+qdCFp4iGs/4gVbo/MJykm9CPnxcwjEsX7BAei1jLPyXcN61Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:29.494665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051989
observed 9f80f82e761dee803cce9ec4136e60d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:29.476270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051989/manifest.json
observed 105e7b8cf42928c05c29331718e12f5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:29.459179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051989/publication.md
observed 5a0e4a5677a9c5e0990073eae383157a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:29.441255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051989/publication.txt
observed af0dc376cb6f670c48fb687ab1c31cdb...
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.