OpenTechnical

OT-2026-000048577

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line 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-2026-000048577) never changes.

Identity and time

Publication numberOT-2026-000048577 · never reused
Internal UUID01a0ae80-4de7-7c1c-a484-4543cd2facf9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048577
StatusPUBLIC

Content hashes

Canonical text5d1f7b701f74df8e18897c78bc1560e8a9a3da6b2cfad7a4de8834f54b4e3e41
Markdownaa49af670c0877bb7ed9f3d6052012e08f4e93058fbe5a3f95636ec3146ebba5
PDF
Publication page7a3a2f3f4c790b6afa4d2dd5088a018d263bdbc3abee667b58e35ca3c07c0b43
Manifestc8205bfa031db1f3730c9701482e58ba204c4608f8b456b099b2d8242fd2d17c

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
SignatureCpOl3Ul5rq4/a4e5vCNUWJW5OahGvHknDV6HkKBp2sVQqQP37uwYvcPw7y9gVhq6g1dfhdhLmUZs1DtDoUKvAA==
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

2026-09-17T11:05:22.946059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048577
observed 7a3a2f3f4c790b6afa4d2dd5088a018d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:22.925536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048577/manifest.json
observed c8205bfa031db1f3730c9701482e58ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:22.905833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048577/publication.md
observed aa49af670c0877bb7ed9f3d6052012e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:22.886954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048577/publication.txt
observed 5d1f7b701f74df8e18897c78bc1560e8...
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.