OpenTechnical

OT-2026-000085548

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, pump fed, 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-2026-000085548) never changes.

Identity and time

Publication numberOT-2026-000085548 · never reused
Internal UUID01a0ae99-aaac-7515-9193-8e242a239254 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085548
StatusPUBLIC

Content hashes

Canonical text64b1f3558ad1eda6b31a57690db1621dac47597b5cf282854bea757409182cf6
Markdown4544e838d81ec651a8d5f7f177ab4382dd34580889cf38e6b9cbce1b4290c295
PDF
Publication page8fa87a9290cb024d471c334dabc3820f7a7f200e4143355ff4d82cf21dde2fc3
Manifestdc6f7547c54d252d719388e3077dde54bf9ecf0efa7dde9669f82c5c7839b1fa

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
SignatureqcCeeF+w/wfK0Ydfp/1gTzTtPKZjwB6EF5oT5v5/kwutr9i3nJWZfiEeRs3ugPeRqPrRbgMK/DvxOTfedIYZBg==
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

2026-09-17T09:54:22.053706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085548
observed 8fa87a9290cb024d471c334dabc3820f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:22.035900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085548/manifest.json
observed dc6f7547c54d252d719388e3077dde54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:22.018587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085548/publication.md
observed 4544e838d81ec651a8d5f7f177ab4382...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:22.001986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085548/publication.txt
observed 64b1f3558ad1eda6b31a57690db1621d...
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.