OpenTechnical

OT-2026-000101075

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, two 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-2026-000101075) never changes.

Identity and time

Publication numberOT-2026-000101075 · never reused
Internal UUID01a0aea3-c377-7d7f-a59f-44972ccce560 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101075
StatusPUBLIC

Content hashes

Canonical text7fc7d58df5d5376d11b23e6fbc002d96cea6ca2a08ce153bb9cca723d1ba2ef8
Markdown30269a6c702e8826d7a7d175ad09b04d9c2c59fb30aacb6db29e309d6738223d
PDF
Publication page4a6a56ae86bac2ae51addbd98cd7306fd89c2f68b27aff0a05fbf8dbc39a9754
Manifest880a7f799b83bc48a8033c557ce9045d735a89060ea0f47a78a0cbfbb0a86228

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
SignatureKRm6gitWwXrbGifQ5ZQM/smk/ymrCr1LnqeNh+6kWll7yE3ns2nPm2h2J3ihZ4k8yehl/iPwwk2n20LC5/U6AQ==
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

2026-09-17T09:26:41.588216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101075
observed 4a6a56ae86bac2ae51addbd98cd7306f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:41.569904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101075/manifest.json
observed 880a7f799b83bc48a8033c557ce9045d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:41.551815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101075/publication.md
observed 30269a6c702e8826d7a7d175ad09b04d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:41.534663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101075/publication.txt
observed 7fc7d58df5d5376d11b23e6fbc002d96...
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.