OpenTechnical

OT-2026-000089260

Publication integrity record

Foam pad vacuum gripper, four zone face, six 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-2026-000089260) never changes.

Identity and time

Publication numberOT-2026-000089260 · never reused
Internal UUID01a0ae9b-db00-7126-aca4-cbb3a0a10f70 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089260
StatusPUBLIC

Content hashes

Canonical text65ddd0aff4961256b6100056d1665f1e64bde92d70e0347b9df60181d1c6f91c
Markdowne927f587bffe3a0ae47494d4bb5d4df2b5e86ea8b30ad2acb24f2ee858522039
PDF
Publication page365244562f1712635fef69a55db8050bdc1a4b6b0f600b0c0f4f2845ea01ff6c
Manifest4d7ad36f2610014263310898fe13fc3b176cd7b645ae12c5530446a900098a24

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
SignaturezPi2MH3G122l6wjFMRsUYnVVmGQOIvGSwyUyUVqcydgdmqBBT23XPiXxR3KMpXC4Y4AjhFdXu2PUGvlaONLDAQ==
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

2026-09-17T09:47:17.890634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089260
observed 365244562f1712635fef69a55db8050b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:17.873301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089260/manifest.json
observed 4d7ad36f2610014263310898fe13fc3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:17.855915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089260/publication.md
observed e927f587bffe3a0ae47494d4bb5d4df2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:17.839356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089260/publication.txt
observed 65ddd0aff4961256b6100056d1665f1e...
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.