OpenTechnical

OT-2026-000048990

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, three stage ejector, supply line pressure sensor, sustained blow-off after set-down

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-2026-000048990) never changes.

Identity and time

Publication numberOT-2026-000048990 · never reused
Internal UUID01a0ae81-134c-785a-ad70-95794588701e · 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-2026-000048990
StatusPUBLIC

Content hashes

Canonical text561784eedc0a3b480b9ac9fd26704234522f2f116e02fc566309959ff98ede56
Markdown5dfb8d53bc87814c4d15b8e1477d463641ea16b76e84ca204bdccaac0b44c55d
PDF
Publication page1f55e4fb286f4c5c77cf237aeb5c42ea05db8a25e57713a8e4b3c3054ec64b4b
Manifest2cc52e575d21488573033d8d8aa2cbbae6dab26958099e249e364df43ba4b2d2

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
SignaturexTs9kloUqGXZtgeak7A7PXypIVyViwYbRCEn5OvF+H/9f4RjqAJ4/3h80LKcsosioJFmdGac2tVWnL3I6qLaAQ==
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

2026-09-17T11:03:11.816469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048990
observed 1f55e4fb286f4c5c77cf237aeb5c42ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:11.797419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048990/manifest.json
observed 2cc52e575d21488573033d8d8aa2cbba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:11.778848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048990/publication.md
observed 5dfb8d53bc87814c4d15b8e1477d4636...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:11.761129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048990/publication.txt
observed 561784eedc0a3b480b9ac9fd26704234...
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.