OpenTechnical

OT-2026-000050137

Publication integrity record

Single cup vacuum gripper, three stage ejector, vented before 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-2026-000050137) never changes.

Identity and time

Publication numberOT-2026-000050137 · never reused
Internal UUID01a0ae82-5c45-7524-8b0e-21b4792772d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050137
StatusPUBLIC

Content hashes

Canonical text40c7f7ddce1cd0db427d6c42031b5a33825fab73a4473c7b8cc30cfbf868202e
Markdowne6d0de85a2bfc58e7760f38edabb42e7524811f02699b1204ecb823c62eaf531
PDF
Publication pagecd9c7002363b582dca92942b50db5044e487cb63b1202222ac32293c0dcac692
Manifest684b8e31b5579ff4c2fb0a2601bd9bd575a67a1e6c8c5f01f6482a9b54c334c3

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
Signaturen9oLOj1L5fykRX2Pp2qNgepon6rvXJSgi3pSfXNUylx7AyX27ejfNEzDGiS/RffD2mFbdJ2IzSHYhVLTV0suAg==
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

2026-09-17T11:01:06.371998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050137
observed cd9c7002363b582dca92942b50db5044...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:06.354273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050137/manifest.json
observed 684b8e31b5579ff4c2fb0a2601bd9bd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:06.338029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050137/publication.md
observed e6d0de85a2bfc58e7760f38edabb42e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:06.320104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050137/publication.txt
observed 40c7f7ddce1cd0db427d6c42031b5a33...
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.