OpenTechnical

OT-2026-000085593

Publication integrity record

Foam pad vacuum gripper, two zone face, two stage ejector, 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-2026-000085593) never changes.

Identity and time

Publication numberOT-2026-000085593 · never reused
Internal UUID01a0ae99-aaac-71e7-ace1-f99dbb83770b · 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-2026-000085593
StatusPUBLIC

Content hashes

Canonical textbf42812ed34f6137e25d4dac359cbad741cda350ba9d0342b86c8580e030cd0a
Markdown64ea1dd91590f38be0546dc74fffed34b0828c8b335f426f6fd31c65e2012e43
PDF
Publication pagec783b6b5f11c4fde654010fa8a68ed982ab2da449628a140774354d80630df98
Manifest6e07057615e15227e121c174ef112c3cb9d8490fd4efaba5b8d0b1b2a5d8e4ce

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
Signature6yKTnmVk/QD7BMP/teZz3M9Tawy8bMoEobbyz/vSko+lb6jSAFQlSGy4KMLtxyvM+A5h0jRur9gY9B2sg2R8Bg==
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

2026-09-17T09:54:28.096516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085593
observed c783b6b5f11c4fde654010fa8a68ed98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:28.079007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085593/manifest.json
observed 6e07057615e15227e121c174ef112c3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:28.045330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085593/publication.md
observed 64ea1dd91590f38be0546dc74fffed34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:28.013147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085593/publication.txt
observed bf42812ed34f6137e25d4dac359cbad7...
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.