OpenTechnical

OT-2026-000088299

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, three 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-2026-000088299) never changes.

Identity and time

Publication numberOT-2026-000088299 · never reused
Internal UUID01a0ae9b-5d26-7c26-9b02-d5f6dd83c1f6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088299
StatusPUBLIC

Content hashes

Canonical text1994ab25ed287315e787474034c1f1b8a7593c4de4eba138ddc8d38acba78323
Markdown54038b8c2a97e8b1543950f6e6205a9e663d8b474c157524b26a0073000fdda8
PDF
Publication pageca8f7cf5b819c7e1937df877c2a9b6f5d62f8952be680db95a0d8c98f297be46
Manifest77b60e78266f37420319458f8e18ab832950e85da7733983a32b29cf1d8f0bb4

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
Signature0dD04EDDAXRsoC2VbMTdnvG0b+Pu86SSrzHUi4kj4+T3Gi8WDOD6hd2LtmDhEWYzCpe4/+KIcfUVD0iJTT4yAA==
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

2026-09-17T09:48:37.992424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088299
observed ca8f7cf5b819c7e1937df877c2a9b6f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:37.973967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088299/manifest.json
observed 77b60e78266f37420319458f8e18ab83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:37.954441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088299/publication.md
observed 54038b8c2a97e8b1543950f6e6205a9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:37.935703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088299/publication.txt
observed 1994ab25ed287315e787474034c1f1b8...
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.