OpenTechnical

OT-2026-000089849

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off before 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-2026-000089849) never changes.

Identity and time

Publication numberOT-2026-000089849 · never reused
Internal UUID01a0ae9c-428d-722c-9f4c-9e0493d0cd67 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089849
StatusPUBLIC

Content hashes

Canonical textcc0659b7619cedd56beae90cafb7f000e5585518f3e68212bd842e4a02224375
Markdown9d1c4d087ced2fd2981d0a631e653d4b739e3047a5e86b059431ca4cceb93875
PDF
Publication page9e84bdc67da1a937f3bce11445f3328d9ff40daa0c1262050c4f2ab65db5ae91
Manifest81a8d3a02b0cf120c26841253fc55a2d2da92d2bb2aa201f5e03a06ea06afec4

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
Signature7UJsRc6Oy3whS+T4MDLd845/MLB8thmQwPdGBLoh1mB8NkjjfbTx2FTNxwGyeCP6xO9wt7XQSf2x13aDysjrBA==
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

2026-09-17T09:45:05.693582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089849
observed 9e84bdc67da1a937f3bce11445f3328d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:05.675577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089849/manifest.json
observed 81a8d3a02b0cf120c26841253fc55a2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:05.659213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089849/publication.md
observed 9d1c4d087ced2fd2981d0a631e653d4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:05.641995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089849/publication.txt
observed cc0659b7619cedd56beae90cafb7f000...
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.