OpenTechnical

OT-2026-000049277

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three stage ejector, manifold pressure sensor, sustained 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-2026-000049277) never changes.

Identity and time

Publication numberOT-2026-000049277 · never reused
Internal UUID01a0ae81-134f-7593-a02d-eb13c902caa8 · 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-2026-000049277
StatusPUBLIC

Content hashes

Canonical texta5f1c01a8bf3766b5bd51aafb3c0650a90e14b16e8b5bf1ee55ff472f0a7d5cf
Markdown3a068ec264a3d059e2a64ffb2b4815a1dba10099a8decbbeb387e1331d74bf23
PDF
Publication paged93043da78d4a3e4b4afebd42bece82d0345365e8ae3a7d51e4a97551e74b4dd
Manifeste9b2b5ea3be4a9ca768df95acd4493fdec3139bfef5551ed346e0effc84f10a0

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
Signaturei03UEX2O0/gNPScmPgjXrf3XLAaLZRGEpJHZ8N+24JQ4jwuYWL4dT1K9T+s02RoLDbJw9DSkQ8H0AFc+8/d8Bg==
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

2026-09-17T11:04:08.003356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049277
observed d93043da78d4a3e4b4afebd42bece82d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:07.983071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049277/manifest.json
observed e9b2b5ea3be4a9ca768df95acd4493fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:07.963966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049277/publication.md
observed 3a068ec264a3d059e2a64ffb2b4815a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:07.942864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049277/publication.txt
observed a5f1c01a8bf3766b5bd51aafb3c0650a...
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.