OpenTechnical

OT-2026-000048508

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, 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-2026-000048508) never changes.

Identity and time

Publication numberOT-2026-000048508 · never reused
Internal UUID01a0ae80-4de6-7ed3-a7cf-5720be51bf6d · 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-2026-000048508
StatusPUBLIC

Content hashes

Canonical textea8a0de7409c55ef6b0e065c36679d0b6fa07f901d7c5f1a1bd336e566817421
Markdowna460681d35e7b5decd7ea00d83493d212d1bc30ce1402f4ad30f7e8345f8cc57
PDF
Publication pageaa9fdca381f2380849cad6e8805d30d650e5d3ccc35460df0a2c68c5793e9cbe
Manifest68d4d367467c26bf4ae0e063bffa46efcbf690cf3eccf5d852e08f70c956640a

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
SignaturezVcABQh4FUec3f3is/55sIUYItrjr8psvh5gLD6aBHOVYpXpLR4Pi6+LUaOajCgC+FciXSC8IHAA9G+fLy2eAQ==
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

2026-09-17T11:05:11.081856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048508
observed aa9fdca381f2380849cad6e8805d30d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:11.063058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048508/manifest.json
observed 68d4d367467c26bf4ae0e063bffa46ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:11.043265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048508/publication.md
observed a460681d35e7b5decd7ea00d83493d21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:11.024618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048508/publication.txt
observed ea8a0de7409c55ef6b0e065c36679d0b...
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.