OpenTechnical

OT-2026-000076009

Publication integrity record

Three cup vacuum gripper, three zone face, pump fed, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000076009) never changes.

Identity and time

Publication numberOT-2026-000076009 · never reused
Internal UUID01a0ae94-2a00-7cbd-91ea-7dcc70129c4f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076009
StatusPUBLIC

Content hashes

Canonical text8aada8e83bc763e0b7eefde47a1118307a21cc702e12b6831ea41dffcf4ac88f
Markdown0501f853aea3ada595084f7fd7c608876f6e3e21d80a4e439f251964646936ce
PDF
Publication pagee9f7205794ad2537907bd0198e2e0047f1e8cd169d674886458cf1d12b76107d
Manifest96acd6f50f98191aa8a40c66c821edc03eee50dff19afb56e0caf5ec6ffb553f

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
SignatureNYLQlVeUwBNg+hdBmr7jVUtj943rQTzXIfJLE5YQgGHhRbXQfcnX4tSgALvHjD/NC29Do3mrsyDl8xB3vKnCBQ==
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

2026-09-17T10:20:15.738379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076009
observed e9f7205794ad2537907bd0198e2e0047...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:15.716897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076009/manifest.json
observed 96acd6f50f98191aa8a40c66c821edc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:15.696832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076009/publication.md
observed 0501f853aea3ada595084f7fd7c60887...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:15.678417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076009/publication.txt
observed 8aada8e83bc763e0b7eefde47a111830...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:07.444340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076009
observed e9f7205794ad2537907bd0198e2e0047...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:06.802087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076009/manifest.json
observed 96acd6f50f98191aa8a40c66c821edc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:06.784670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076009/publication.md
observed 0501f853aea3ada595084f7fd7c60887...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:06.767008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076009/publication.txt
observed 8aada8e83bc763e0b7eefde47a111830...
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.