OpenTechnical

OT-2026-000056519

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off 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-2026-000056519) never changes.

Identity and time

Publication numberOT-2026-000056519 · never reused
Internal UUID01a0ae87-7af5-783a-a6a5-db84f40127c5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056519
StatusPUBLIC

Content hashes

Canonical textc85b0d1e332e13f9fc1743c02696326e99a7c09907ccc68f1c7f7240a6391bd3
Markdown8b0be54a4a68b49a834a1c5bd1547f6a63bf2cd373aeb8d371de561bf1bb3afb
PDF
Publication page388b729a11472fcb66f53c18dad0001eb17b8599b4437b3c42b64f4da0d0426c
Manifest3de89b40fde8f990cbc3cfa6da749ad10b381407dba702a039c54ea555c3b770

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
Signature8CKzmXV0bxQinT4ulnIbdBmt00kmuo8crCDGuvM504lZet+DqFK0KAjsdkp+vspGB+41WDTSKvuh4zxaWo+3Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:49:50.624869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056519
observed 388b729a11472fcb66f53c18dad0001e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:50.606664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056519/manifest.json
observed 3de89b40fde8f990cbc3cfa6da749ad1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:50.589447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056519/publication.md
observed 8b0be54a4a68b49a834a1c5bd1547f6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:50.570533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056519/publication.txt
observed c85b0d1e332e13f9fc1743c02696326e...
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.