OpenTechnical

OT-2026-000052337

Publication integrity record

Single cup vacuum gripper, 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-2026-000052337) never changes.

Identity and time

Publication numberOT-2026-000052337 · never reused
Internal UUID01a0ae83-e791-7fb5-ade1-d148ae697607 · 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-2026-000052337
StatusPUBLIC

Content hashes

Canonical textb3078dd1338d5b00c9fa2597bb1ab15c10a047d048fdb8d8c6f1a8d5cbc17398
Markdowne76a5c417a5bf4aec80b262cffe2c79c0d0eacc1c2fa6600ee7f0c4df5200bea
PDF
Publication page955d0b64e611a6092221b4c8a22177d8c11cad63fb73c6e1bd9242fdd5b98f29
Manifest98d1cd93b18e063174db0226e4ebb40c4918ad852a1137e9094d4eaac726545e

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
SignaturefQpBjUko/iLV9FzhK+PmaC9G/CuT8a++kfyXxpkJIj/Fq3dnbkSuQKN/DsgewaL+84lBn+NXszIqdjrHcTxODw==
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

2026-09-17T10:58:01.758871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052337
observed 955d0b64e611a6092221b4c8a22177d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:01.739452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052337/manifest.json
observed 98d1cd93b18e063174db0226e4ebb40c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:01.709668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052337/publication.md
observed e76a5c417a5bf4aec80b262cffe2c79c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:01.680206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052337/publication.txt
observed b3078dd1338d5b00c9fa2597bb1ab15c...
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.