OpenTechnical

OT-2026-000045417

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off after 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-2026-000045417) never changes.

Identity and time

Publication numberOT-2026-000045417 · never reused
Internal UUID01a0ae7c-f76c-7b2f-a953-0f708277f4a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045417
StatusPUBLIC

Content hashes

Canonical text2eded468e84ed42a28d81f1cc3461fbc5f5a9dbcc0e0ffc5110f530ab0e1702d
Markdown00c13e9593d0f4b454e88c04dec54c9a02954ed30161cbc823ca2637eee52d29
PDF
Publication page8677dc4f1425d0ed8ca534098e871fa3d0190204c2ee345ba2982e63ea0b2b0c
Manifestaafd52f7784dc2b058193a62b8a765cace6238cf5addbf8b19b266fd8d6f76d2

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
SignaturezPfe8sgXBplk6TQpFluNKO4dwG4SzkbhuJjnRz7LhYm5GZnGnBlo26HwYUgoR3PlCJn/c+m77rpB34oTjM+eBw==
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

2026-09-17T11:10:42.536416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045417
observed 8677dc4f1425d0ed8ca534098e871fa3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:42.519704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045417/manifest.json
observed aafd52f7784dc2b058193a62b8a765ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:42.499917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045417/publication.md
observed 00c13e9593d0f4b454e88c04dec54c9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:42.480201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045417/publication.txt
observed 2eded468e84ed42a28d81f1cc3461fbc...
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.