OpenTechnical

OT-2026-000048248

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000048248) never changes.

Identity and time

Publication numberOT-2026-000048248 · never reused
Internal UUID01a0ae80-4de3-7454-9be6-4d3317c92ce5 · 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-2026-000048248
StatusPUBLIC

Content hashes

Canonical text3113f28629bdf006103c61f565cb7ba5a9e3baf7790c17a0902223255dbe84c2
Markdownf601cc54bf2c791852316855bea23f057ede3a806231aef7c685d2f5a1555276
PDF
Publication page9b4c88c85b49b6d5472e2a187ee75cd8562f476f2d5eabf44317f57d4616a9bb
Manifest40c642f3473edc257c5e49f66fa6d3dc269da0b17a7b875020456e29aee582e6

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
Signaturefty6jZmjxnHwu8ovA2DHt0aOpTJnwPZModOcsRPz9chShXmDfoTx0kiUQZ6AZWzOUct37AXFz0eUZ+TQbfmxDg==
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

2026-09-17T11:04:48.830079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048248
observed 9b4c88c85b49b6d5472e2a187ee75cd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:48.808747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048248/manifest.json
observed 40c642f3473edc257c5e49f66fa6d3dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:48.789392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048248/publication.md
observed f601cc54bf2c791852316855bea23f05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:48.771132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048248/publication.txt
observed 3113f28629bdf006103c61f565cb7ba5...
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.