OpenTechnical

OT-2026-000010638

Publication integrity record

Single cup vacuum gripper, three stage ejector, vented after set-down

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-2026-000010638) never changes.

Identity and time

Publication numberOT-2026-000010638 · never reused
Internal UUID01a0ae6c-0ee8-7bd1-949e-4317cf971e57 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010638
StatusPUBLIC

Content hashes

Canonical text89c5e5c97df87cd3ac102115947c6681da1fae6a94365fa6067e842b76c99374
Markdown83df1ab3865e4278a415c3d1a4fc64fc913b1cca456f88d1b3ecc7bfa758dd5f
PDF
Publication paged101a868d39c1dc1e426a6c1645456c8130ab71aeea0652b6160bd2882101b6d
Manifesta9fda9b992a9ffdda26ea8ecc7515fb832fe3ec1720122fc477b36bed117380e

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
Signature6bR38kU+c3Ye7JqMo1ziJCuHB7Wvg5TrdxR5bpxwLSD4HCBKlj/FzLD9P/f2zskssGtp2uodi9S1BP+H4qkWDw==
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

2026-09-17T12:14:50.114836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010638
observed d101a868d39c1dc1e426a6c1645456c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:50.096082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010638/manifest.json
observed a9fda9b992a9ffdda26ea8ecc7515fb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:50.076835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010638/publication.md
observed 83df1ab3865e4278a415c3d1a4fc64fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:50.058862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010638/publication.txt
observed 89c5e5c97df87cd3ac102115947c6681...
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.