OpenTechnical

OT-2026-000049052

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed blow-off after set-down, on a tool changer

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-2026-000049052) never changes.

Identity and time

Publication numberOT-2026-000049052 · never reused
Internal UUID01a0ae81-134d-723d-a9f3-144b1276cb16 · 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-2026-000049052
StatusPUBLIC

Content hashes

Canonical text479bd80583cb4af2abe3f87f4224e07d5ad9f1bdea34803721e1ec8ce89a44e7
Markdownedd0e3623845f7b4e1d8e9e620af92014ae7122f5b90f3515d54cd27519d44b8
PDF
Publication pagee89e4a16a0dd0a47fca12bcdf7303bb1812025a5635c6ce5945aa5db4b8b450d
Manifest770b2a4dab55ae133d5b2f6102d144cdea12ef3cef90ba2610a2bac9647c4668

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
SignatureF0FYz4408rnLSllxkTqXLSODzxPqhfPTLhJKThNp0+sHMNz0DyOfprBKkxuq//NSON6PqcHyHBVv+Kwcq0ABDw==
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

2026-09-17T11:03:16.425645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049052
observed e89e4a16a0dd0a47fca12bcdf7303bb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:16.406284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049052/manifest.json
observed 770b2a4dab55ae133d5b2f6102d144cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:16.389519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049052/publication.md
observed edd0e3623845f7b4e1d8e9e620af9201...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:16.370014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049052/publication.txt
observed 479bd80583cb4af2abe3f87f4224e07d...
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.