OpenTechnical

OT-2026-000075171

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, pump fed, manifold pressure sensor, pulsed 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-2026-000075171) never changes.

Identity and time

Publication numberOT-2026-000075171 · never reused
Internal UUID01a0ae93-f1ff-7bf6-8e45-776e57fe52bd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075171
StatusPUBLIC

Content hashes

Canonical text4ecd79861cf4c513ddf621b01517952ddc37b608a8f7364ae1977e3c714801b2
Markdownf87ef4d20356d855987d5bea5030ffe572dc099141941b2b6ccd8423a3f1f007
PDF
Publication page4af7c3c9b6a35c1978b1aec7fa6403f6dd53bf8b00a8982e9b4fb2b786deb4eb
Manifest05d0fdb6ba2cb1bd238380b4a497e886eb0e2185b3e44666e334f6de83dd7bbf

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
SignaturefiLkIt4fDocv1kPphdnYwDYgI+438q2tj8/pVocqx6Fd0Y8JATAxCd/peDFwP6i4Rn591D03GBI8c2oflY08AA==
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

2026-09-17T10:20:25.135178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075171
observed 4af7c3c9b6a35c1978b1aec7fa6403f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:25.116202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075171/manifest.json
observed 05d0fdb6ba2cb1bd238380b4a497e886...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:25.098026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075171/publication.md
observed f87ef4d20356d855987d5bea5030ffe5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:25.080356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075171/publication.txt
observed 4ecd79861cf4c513ddf621b01517952d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:32.740350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075171
observed 4af7c3c9b6a35c1978b1aec7fa6403f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:32.721567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075171/manifest.json
observed 05d0fdb6ba2cb1bd238380b4a497e886...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:32.703306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075171/publication.md
observed f87ef4d20356d855987d5bea5030ffe5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:32.559699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075171/publication.txt
observed 4ecd79861cf4c513ddf621b01517952d...
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.