OpenTechnical

OT-2026-000043719

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000043719) never changes.

Identity and time

Publication numberOT-2026-000043719 · never reused
Internal UUID01a0ae7b-92d1-7fe3-b64d-2d3cee5e2205 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043719
StatusPUBLIC

Content hashes

Canonical text29c936a4f501662868330abc15985ea9b8d7860d8971d7a005f4de60cc9ece64
Markdown730fb7005841ca67e5e4bfa5a30432e6c44a2c089637ec9a83bd8f20b5908385
PDF
Publication page6bb73ae76c0bd40d30ba82a744ac331e8a2a089104745f30c728d4c482513450
Manifest4603a891eb72e024689712e46817135c2e88af55386679940f4f567e1e4b46c0

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
SignaturefoAwryg6Uh88w6zVyUbo8QHFzwao56CPRM/hHpVgTJB91gCKo+vb0SpBnY3MEGOG1UQef6toONHdZNDBy2OXCA==
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

2026-09-17T11:13:13.231603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043719
observed 6bb73ae76c0bd40d30ba82a744ac331e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:13.212492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043719/manifest.json
observed 4603a891eb72e024689712e46817135c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:13.193556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043719/publication.md
observed 730fb7005841ca67e5e4bfa5a30432e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:13.174835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043719/publication.txt
observed 29c936a4f501662868330abc15985ea9...
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.