OpenTechnical

OT-2026-000088731

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, 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-2026-000088731) never changes.

Identity and time

Publication numberOT-2026-000088731 · never reused
Internal UUID01a0ae9b-8f10-7ec4-ac0a-3668777a7c36 · 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-2026-000088731
StatusPUBLIC

Content hashes

Canonical text355a6ccfde4141ec5040df4124d7f52af84baf414dd68a2fcf57e30ed8ab22c8
Markdownad448b5ba983e0d52e9eaffdba5746e6665df4ca94f10c78927c1323e4a061c9
PDF
Publication page02e218a00179194ec2e795bc18db1d24b3cc7da7dee1b4b2400e7939005824d3
Manifest9fefc7ed29cccde92f4cdcad5ec83deb6fb348f765b76e1efbb5882bc813c74f

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
SignaturetUEgn4JNJJjUHT7AFpbsRue2Tig3O/Nb2ZcQKY4M6J4Sy0n07Phmj1RE/4MpwhnEZyUGGqywC1ThtIVHT1w6Dg==
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

2026-09-17T09:47:58.488473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088731
observed 02e218a00179194ec2e795bc18db1d24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:58.472232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088731/manifest.json
observed 9fefc7ed29cccde92f4cdcad5ec83deb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:58.456191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088731/publication.md
observed ad448b5ba983e0d52e9eaffdba5746e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:58.437890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088731/publication.txt
observed 355a6ccfde4141ec5040df4124d7f52a...
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.