OpenTechnical

OT-2026-000049971

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, pressure sensor per zone, pulsed blow-off 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-2026-000049971) never changes.

Identity and time

Publication numberOT-2026-000049971 · never reused
Internal UUID01a0ae81-fd77-76e0-b7f3-f765b6fbff77 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049971
StatusPUBLIC

Content hashes

Canonical text96508c5d9008a877131ee3e301237e640b692e889a200fdf6daa067f1532ef40
Markdown1c6ca27d98ca0749aabf9dfca95a702edc49182e959aa1d8f254e9393b4a5f51
PDF
Publication pageb9a9f0b5789fb373c798896f5b673e937a815aa928b2b3e0a7826cd6809d72fd
Manifest8747daac5839e4a5e86b060acc4c8fb5e4427d2bc86988002639e2df7e952907

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
Signature/EfsYPyvaSH7b7jiJWBDovXfus66Cp029C4KRnd9lRj+eSPLZf012yC4qhXiTmvSuAESyTWFuRzNsM2EWEwdBA==
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

2026-09-17T11:01:55.172363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049971
observed b9a9f0b5789fb373c798896f5b673e93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:55.155630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049971/manifest.json
observed 8747daac5839e4a5e86b060acc4c8fb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:55.138766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049971/publication.md
observed 1c6ca27d98ca0749aabf9dfca95a702e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:55.118850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049971/publication.txt
observed 96508c5d9008a877131ee3e301237e64...
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.