OpenTechnical

OT-2026-000044680

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, pulsed blow-off after 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-2026-000044680) never changes.

Identity and time

Publication numberOT-2026-000044680 · never reused
Internal UUID01a0ae7c-39da-7c6a-b5f5-37865a3118e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044680
StatusPUBLIC

Content hashes

Canonical text940ed62a222fbc52752a9de23cd2118426fe47ae7cea2619966259153e9c6e4e
Markdowne096f65459ef934915cb2aef677080a8070060d6249ebdc2bf1771644acd9604
PDF
Publication page5b0b0dcf1092ab3218549160fefcbcf18fed483c11e3138ed419fbd936ada8e1
Manifest8311d77dda65d47ca9f683336721dc051a71068aa798cc368589dd405d6f0320

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
SignaturekLiMc/aKFIkDsGY8JOsTXi9M5G3nAM81WwdfFeLxtmrfYXqk9lxltDlCVQHftgdZhqglgPwlBNDcibGf4WpjCQ==
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

2026-09-17T11:11:56.029616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044680
observed 5b0b0dcf1092ab3218549160fefcbcf1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:56.010876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044680/manifest.json
observed 8311d77dda65d47ca9f683336721dc05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:55.990692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044680/publication.md
observed e096f65459ef934915cb2aef677080a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:55.973273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044680/publication.txt
observed 940ed62a222fbc52752a9de23cd21184...
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.