OpenTechnical

OT-2026-000087752

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, two stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000087752) never changes.

Identity and time

Publication numberOT-2026-000087752 · never reused
Internal UUID01a0ae9a-cd55-74c0-9b09-83d97bc31730 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087752
StatusPUBLIC

Content hashes

Canonical textdac45f69f06d1fd496aaf96d92e3b9eab7419f1e504494570893344037695dee
Markdown62f6fe628a6304bb4bac225d420ff448b036e655dbc9fcabc7f18dbcd37348ae
PDF
Publication pageebcd8dd2291b60d48a5b3c00a3e3b5e8d53d74d6ed964482882815bbaefb966d
Manifest9d44fde6adcc008f369d6e9a61af3fd06c3e90bcbcda51891e7e382851bcb20b

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
SignatureS3f1IB+snD5QpiI1ok/n3tdx6d0O/9XlWpI1eN61ZiEZrfBL4/+nk2kykobohHRb71cPVj8AJbnDlt/1jAa4Bw==
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

2026-09-17T09:51:12.510572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087752
observed ebcd8dd2291b60d48a5b3c00a3e3b5e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:12.494381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087752/manifest.json
observed 9d44fde6adcc008f369d6e9a61af3fd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:12.478928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087752/publication.md
observed 62f6fe628a6304bb4bac225d420ff448...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:12.462559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087752/publication.txt
observed dac45f69f06d1fd496aaf96d92e3b9ea...
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.