OpenTechnical

OT-2026-000044772

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, 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-2026-000044772) never changes.

Identity and time

Publication numberOT-2026-000044772 · never reused
Internal UUID01a0ae7c-911a-7b90-9bbb-a36d3aa339c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044772
StatusPUBLIC

Content hashes

Canonical textd5a68a5607643f2e2aa7f712d1e4a9622109856bc001081904404857fa1d8b01
Markdown1b0fa533b7ff663b35d150c4c4de2a149c051fa3ecc4a72e6fe638a6314a23fd
PDF
Publication page6fec8055146443a6e151e9362d4cde4446c14308a0b6750a09b2c81bd01f6231
Manifest01b685e0366d2703f098e03393539efde14db4b3aab0c53806ddadf56a82760f

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
SignatureFl38oIqFqMFuL1VJq2iPTYfIeF/TWpIvdDvUtbnkkJHn2HIlbtH7nxpwEHYmTI6HL4ZO1aRS42YCWxuN1aJaDQ==
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

2026-09-17T11:11:23.713392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044772
observed 6fec8055146443a6e151e9362d4cde44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:23.695765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044772/manifest.json
observed 01b685e0366d2703f098e03393539efd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:23.677511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044772/publication.md
observed 1b0fa533b7ff663b35d150c4c4de2a14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:23.658469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044772/publication.txt
observed d5a68a5607643f2e2aa7f712d1e4a962...
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.