OpenTechnical

OT-2026-000080514

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, manifold pressure sensor, vented 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-2026-000080514) never changes.

Identity and time

Publication numberOT-2026-000080514 · never reused
Internal UUID01a0ae96-7e78-7f23-9bc2-c940808f6c28 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080514
StatusPUBLIC

Content hashes

Canonical texte8daa2d113b7cff2081be78f12f8a91e79733d30ebd9c125ae7cf2a62f5084c7
Markdownabab694973e4c40df0f2138d7ebab18f729192692afa3a937597c4ad75245603
PDF
Publication page02777f933f72cb7e6a4ec41be69d983d1a9c91d2a8b80e6cf3f44cfcdf45f398
Manifest677768df434e53c971b0aeb4487620b6673b4f207251a512b177bedad88b07ea

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
SignatureTQaEF/FYGfOn8NEcN30mOg3GwU0g3BfhH5h6Zp3+seJ8ACKv1tZ3rFiksHzf1+jZXLXPsGm+QV0fm+SXhSdrBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:03:02.151725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080514
observed 02777f933f72cb7e6a4ec41be69d983d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:02.134889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080514/manifest.json
observed 677768df434e53c971b0aeb4487620b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:02.115873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080514/publication.md
observed abab694973e4c40df0f2138d7ebab18f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:02.098579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080514/publication.txt
observed e8daa2d113b7cff2081be78f12f8a91e...
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.