OpenTechnical

OT-2026-000053508

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, pulsed 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-2026-000053508) never changes.

Identity and time

Publication numberOT-2026-000053508 · never reused
Internal UUID01a0ae85-0a92-7de7-99f6-cff21c69c558 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053508
StatusPUBLIC

Content hashes

Canonical textb9adc5abcdc7a5cd785f007cf086b24f026b6418b71f4c9ae30668b1a2afa426
Markdown3e90a2088f833206cc3a9b5c7ac1a805c14ab62250e466a1beb2c800284e6c74
PDF
Publication page7bf91dbbe1efce8eebb131d9cb8577970529ee25511d279afb8568b7f7af02c9
Manifeste471a3db5322c5ea09f87d25810dcca316135a49a34916ee40f229bdb0e18fb1

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
SignatureXuH2TB37iwbjm82SF+PBI3Xi+lLR97qsE8QlSqX0OSlqnn9YNSOUS5rmczhbCNLBWaAgHVDAVnICwcpJ0q+5CA==
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

2026-09-17T10:55:21.153252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053508
observed 7bf91dbbe1efce8eebb131d9cb857797...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:21.136353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053508/manifest.json
observed e471a3db5322c5ea09f87d25810dcca3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:21.117179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053508/publication.md
observed 3e90a2088f833206cc3a9b5c7ac1a805...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:21.098172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053508/publication.txt
observed b9adc5abcdc7a5cd785f007cf086b24f...
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.