OpenTechnical

OT-2026-000049377

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, 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-2026-000049377) never changes.

Identity and time

Publication numberOT-2026-000049377 · never reused
Internal UUID01a0ae81-8f7b-7eb2-aa17-4ff427f0ad93 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049377
StatusPUBLIC

Content hashes

Canonical text57591de138893cdf4c3b3fd5da86b80fadcea7cc1e59ed87ee51935851ae054b
Markdownec0fe2365b524a05daf168785145a65828679fb4aa12511bc87f1d015b9721fc
PDF
Publication pageebde063a1b2482102b06413b46165c8d243fa4bef505e6235905d83d68bd7a6e
Manifestc5a36a021ce80a5687deccca74432d42bba70439ca38b48994775d4d00954000

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
SignatureFM6cAfS8ciBATOJEynZvlFMKnNAIbhMewuuVV2TfF9uzOx0CLXww5OLDtesBkOnyMK7ShaZHNgXbVrywSKuMCw==
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

2026-09-17T11:02:10.883585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049377
observed ebde063a1b2482102b06413b46165c8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:10.862736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049377/manifest.json
observed c5a36a021ce80a5687deccca74432d42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:10.839473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049377/publication.md
observed ec0fe2365b524a05daf168785145a658...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:10.821120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049377/publication.txt
observed 57591de138893cdf4c3b3fd5da86b80f...
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.