OpenTechnical

OT-2026-000052873

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two 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-2026-000052873) never changes.

Identity and time

Publication numberOT-2026-000052873 · never reused
Internal UUID01a0ae84-a42f-7594-9ed8-a0b381171d3a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052873
StatusPUBLIC

Content hashes

Canonical text92ebb402352e7982b893414b9f890758d258ac1d0fa000b33c7bbe9e05da2d08
Markdown9a1c9dd9e1401e10a66f5a30697c2c368897a53b1c757bb9f4167199612dcd54
PDF
Publication pagecb0106b618c5ad4f9376f587ed57e5dee27b113dd8a13beb472c7b4489554b79
Manifest2486cb2ba2e024dd85b6efff707b95ed1d0f6364bd646193ffaa8920f92aac9e

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
SignatureshXLANXAcf9cFx9Z4m7mtMkaZusHiPgQnY9izU0vTN6G4iaod0zU42rZW92ZHJqIpEbK+3StTTrq+cyOfqWRDg==
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

2026-09-17T10:56:30.447788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052873
observed cb0106b618c5ad4f9376f587ed57e5de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:30.430887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052873/manifest.json
observed 2486cb2ba2e024dd85b6efff707b95ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:30.413962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052873/publication.md
observed 9a1c9dd9e1401e10a66f5a30697c2c36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:30.395834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052873/publication.txt
observed 92ebb402352e7982b893414b9f890758...
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.