OpenTechnical

OT-2026-000101617

Publication integrity record

Foam pad vacuum gripper, three zone face, single stage ejector, pulsed blow-off after 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-2026-000101617) never changes.

Identity and time

Publication numberOT-2026-000101617 · never reused
Internal UUID01a0aea4-0e15-7856-92ce-84c3edc624cd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101617
StatusPUBLIC

Content hashes

Canonical text4d3f36254a79453724e072c9579fd94f925d9f8e0b4e70ae4b78ecca45d0dbc4
Markdown2e628f20bc096a910961c875fc7710f6c24752d7e054e6525ba99117abd67de0
PDF
Publication pagea80d98597f3e5adfb3c659c72fe955d0a2030da908472c45ab51577e388bc433
Manifest360552244e8a93b0762e5a842fa6708d6eda30170e11df90d3b2396b421d19cf

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
SignatureHbO5z2sb7DELfRyymsd60b41xutFL4VZFfq4untgkw/uzB7g2AROqMdAy84Qyioz1L4TZ39Kbi1Mv3rEqhrpBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:44.322522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101617
observed a80d98597f3e5adfb3c659c72fe955d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:44.304233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101617/manifest.json
observed 360552244e8a93b0762e5a842fa6708d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:44.286186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101617/publication.md
observed 2e628f20bc096a910961c875fc7710f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:44.268552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101617/publication.txt
observed 4d3f36254a79453724e072c9579fd94f...
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.