OpenTechnical

OT-2026-000048991

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000048991) never changes.

Identity and time

Publication numberOT-2026-000048991 · never reused
Internal UUID01a0ae81-134c-79da-af43-82ac6cf377ee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048991
StatusPUBLIC

Content hashes

Canonical text3aae1b225d97ef93ef61fa1a61f47ae395cde61550f9495198eeab3e3f6f3e7d
Markdownbae68fc767eb4d99568246a7d4184b1e5780ea95b553ad226f12b7b83e338f02
PDF
Publication page994e9c31bd884a7d95c8aebfa77b31154a59c48fff81a849cfc4acbfccc8a10b
Manifestb0143dd556f6bb77a3a75573fb66801677541d02a85bc28865974039c9203453

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
SignaturerzWnavv2EgcEfWG/5P32NtjRxH46URJ8Xw+y0kz32FyZE3AEBzhbP3zLZnz3TTcCK2ixYDaTqiEHZMBxNJ67Cg==
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

2026-09-17T11:03:11.891689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048991
observed 994e9c31bd884a7d95c8aebfa77b3115...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:11.872532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048991/manifest.json
observed b0143dd556f6bb77a3a75573fb668016...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:11.855956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048991/publication.md
observed bae68fc767eb4d99568246a7d4184b1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:11.836449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048991/publication.txt
observed 3aae1b225d97ef93ef61fa1a61f47ae3...
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.