OpenTechnical

OT-2026-000091187

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000091187) never changes.

Identity and time

Publication numberOT-2026-000091187 · never reused
Internal UUID01a0ae9c-f16b-7de4-8c89-7155cd411752 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091187
StatusPUBLIC

Content hashes

Canonical text4495f9052c00ed4836ca1f4a48d5ac22b095a3213dfed4ffacce9ae5a9f4b982
Markdown223eee7ef6c3cdf3a0c7c64ccebd1bd6477d27ce49bbe09d633acc19375d9fff
PDF
Publication pageb099bb017d5032f5467e8126ff63ee0f4040f97f2c6b42d70ac4f2ddc477651a
Manifesta71c99e9fce69ebd4374ca56bc04e991a992292c61c9d1521383f8a0e4631e5d

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
SignatureKUyNLmAUzge4FQO8kx8POwXTaf2KxWtv8ifHGx6KyQrAYm7VlhYrwsZqhewked1MkN/XUqh6H3PeS3W2I696Bw==
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

2026-09-17T09:43:20.915550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091187
observed b099bb017d5032f5467e8126ff63ee0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:20.897978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091187/manifest.json
observed a71c99e9fce69ebd4374ca56bc04e991...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:20.880841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091187/publication.md
observed 223eee7ef6c3cdf3a0c7c64ccebd1bd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:20.862426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091187/publication.txt
observed 4495f9052c00ed4836ca1f4a48d5ac22...
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.