OpenTechnical

OT-2026-000079783

Publication integrity record

Foam pad vacuum gripper, four zone face, two stage ejector, 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-2026-000079783) never changes.

Identity and time

Publication numberOT-2026-000079783 · never reused
Internal UUID01a0ae96-4375-76cf-a41a-cf915f5e8b77 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079783
StatusPUBLIC

Content hashes

Canonical text9f99d555156722a6f19f2d35ff6d7ad748e922161e0e1c8fb60d2896ac790c7f
Markdown01f14e7f404fdc05374d86413daee3d36a3a85b98e1119d8daab8771fbacb80b
PDF
Publication page8c97a30506270d7be6eb4f5c9bec628d2baf8b20bbf32b51e1e46e22899418dc
Manifest85704063cdb2d07112128618cdba89d93e54766802b08b72d8d2407fd4d81f26

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
Signaturey8dVcm/Pk19yKbrGtHL4r0Oh2rdbdrm7ajOa8ULfo7cMHls3RqCiQ6bx9yOR1MaEKmMqx4uiQ4vnO21RFCrjCg==
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

2026-09-17T10:03:39.484087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079783
observed 8c97a30506270d7be6eb4f5c9bec628d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:39.465009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079783/manifest.json
observed 85704063cdb2d07112128618cdba89d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:39.444865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079783/publication.md
observed 01f14e7f404fdc05374d86413daee3d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:39.425503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079783/publication.txt
observed 9f99d555156722a6f19f2d35ff6d7ad7...
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.