OpenTechnical

OT-2026-000088902

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, two stage ejector, supply line 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-2026-000088902) never changes.

Identity and time

Publication numberOT-2026-000088902 · never reused
Internal UUID01a0ae9b-8f11-7253-9138-a98ab4884ab5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088902
StatusPUBLIC

Content hashes

Canonical text43702495257478c44fa19b9600d5cf6bff063aee5765ffdbf49f7089e0654106
Markdown286dbb5353dacf120c3359b84b52a8c55831cc3d2baf6abf5103032ea406047d
PDF
Publication page97192c4db07185f26a9412fbf0b055983657c915888eee353ec806bbad3d8ea1
Manifestfd7b4cdc0ee0872d6851c06e2d6729b24e58e350c57c6e6bbd41dd1e971b887f

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
SignatureKkz7X0Sk9sJmhJVxcVg5aQRi2FlDJ5jlMwRqTOXFCPDW3xfAzHNEHfieYPL5MgcGtwbRjwaaqGuLyn26fkwuCQ==
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

2026-09-17T09:48:18.325166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088902
observed 97192c4db07185f26a9412fbf0b05598...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:18.305439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088902/manifest.json
observed fd7b4cdc0ee0872d6851c06e2d6729b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:18.288171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088902/publication.md
observed 286dbb5353dacf120c3359b84b52a8c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:18.269734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088902/publication.txt
observed 43702495257478c44fa19b9600d5cf6b...
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.