OpenTechnical

OT-2026-000099637

Publication integrity record

Two bellows cup vacuum gripper, two zone face, single stage ejector, pressure sensor per zone, 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-2026-000099637) never changes.

Identity and time

Publication numberOT-2026-000099637 · never reused
Internal UUID01a0aea2-c976-78d6-bc92-a155bc89cfcc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099637
StatusPUBLIC

Content hashes

Canonical textc7e952f4e78a467c28805aeec265ee3d3c95e92a308583c8e75025acb28d2f13
Markdowne0f16a3910122b0dd8307df6e2c626f67a95541ef00a4e46e8ef74ad05f7aa0c
PDF
Publication page935384a9fdd5fe15801a26ac7bb830f4427feb886268091850126727350f27e0
Manifest7a876b841f0b7b53482f3f8c3ba5ca7637b875a577db116cf92365441ecf409b

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
Signaturek5Xf3SxWvrdJv7mElGsUAdek3u/wK5wLoDPZraaaeWBqKiSwXmGzzUzV3jQcN5O8CQnHs/WD72LOGa1HPcXLDg==
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

2026-09-17T09:29:34.470285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099637
observed 935384a9fdd5fe15801a26ac7bb830f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:34.451179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099637/manifest.json
observed 7a876b841f0b7b53482f3f8c3ba5ca76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:34.433516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099637/publication.md
observed e0f16a3910122b0dd8307df6e2c626f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:34.416551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099637/publication.txt
observed c7e952f4e78a467c28805aeec265ee3d...
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.