OpenTechnical

OT-2026-000050349

Publication integrity record

Single cup vacuum gripper, common isolation valve, two 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-2026-000050349) never changes.

Identity and time

Publication numberOT-2026-000050349 · never reused
Internal UUID01a0ae82-5c47-7448-a2e7-baec1942fcb3 · 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-2026-000050349
StatusPUBLIC

Content hashes

Canonical textfd93c2f734c16c6479a5dae903e2b10745ca38e6609c629367ade8b1a6a52050
Markdown0ed58c9c14fc6f2d641446161ebd9d881e6d00a4737e5e7297ecfbe79f2fb1e3
PDF
Publication page8e0ef3fd0508bdeb6585e20256ca381fd3b2b2a3dea4bcc6a1fb29ff4011fdb3
Manifesteaaad4daeef2fea8a28888f6f2e04cee0f59b75759643630209c5a70dc2d8fc1

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
SignatureGHZwA8TiUR0Rivurn4itrmTjig8Oi4HP1J1Vaf53Zf17/CbMIWwwVlm/p7T5tkgnGVHJhyScSlEyu7M+/MFACw==
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

2026-09-17T11:01:22.709490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050349
observed 8e0ef3fd0508bdeb6585e20256ca381f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:22.691344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050349/manifest.json
observed eaaad4daeef2fea8a28888f6f2e04cee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:22.673210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050349/publication.md
observed 0ed58c9c14fc6f2d641446161ebd9d88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:22.656987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050349/publication.txt
observed fd93c2f734c16c6479a5dae903e2b107...
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.