OpenTechnical

OT-2026-000070825

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, single stage ejector, supply line pressure sensor, pulsed 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-2026-000070825) never changes.

Identity and time

Publication numberOT-2026-000070825 · never reused
Internal UUID01a0ae91-8c2d-77ee-bfb0-a94882c02132 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070825
StatusPUBLIC

Content hashes

Canonical text14134ef6db09c3cc5418183d35727ff0ac2f51b75926453686460cc82f06bba7
Markdown335ec82f3395ea4bc45430c2c26bae8041540a0e730372017d2b4b56929e4bd2
PDF
Publication page10f24741fb13f00600a8db12b98f3a6c60a647d14f63b413d47fca0c4cc7aefd
Manifestb916526986ce3f49d1643d932ec7f4c09b39183eb9a28964a2c1d0255f56940d

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
Signature51SZANDciHOtNBy4Fs03+bYshf8nQ//tHttPgx58cLTdezJnIswAY4FrnD5y5jthyOzqzO45n8ntVd0HvN+/CQ==
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

2026-09-17T10:25:38.198891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070825
observed 10f24741fb13f00600a8db12b98f3a6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:38.182326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070825/manifest.json
observed b916526986ce3f49d1643d932ec7f4c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:38.164730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070825/publication.md
observed 335ec82f3395ea4bc45430c2c26bae80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:38.148788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070825/publication.txt
observed 14134ef6db09c3cc5418183d35727ff0...
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.