OpenTechnical

OT-2026-000079917

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, two stage ejector, 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-2026-000079917) never changes.

Identity and time

Publication numberOT-2026-000079917 · never reused
Internal UUID01a0ae96-4377-7e30-a1d8-322af9f2fb84 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079917
StatusPUBLIC

Content hashes

Canonical textfc8a84f9a90fd4243b53e83906acc7ebe274793547835cbe1e6e6d79f0c7de30
Markdown7d0484bf22d190f45684d1c286b1d49735912b991afcf76e9fb109b736848dc9
PDF
Publication page4d3d901312202e8228d4f0fca951651c54120b115a87020b35e4f03f41bf944d
Manifestb9970ff9af2f202628ae323226af73c5353fee94eb1eb830e920bd1e108cf9c4

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
SignatureRejdEcXjpdJv1Dw/wQL6jMPDSyE7CNCfF6ewmjqDeYX3EjuO2TWFZ1dznr3tXNuQANEja8sccmzYMz0G6NCyCQ==
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

2026-09-17T10:03:49.137095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079917
observed 4d3d901312202e8228d4f0fca951651c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:49.117458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079917/manifest.json
observed b9970ff9af2f202628ae323226af73c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:49.099158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079917/publication.md
observed 7d0484bf22d190f45684d1c286b1d497...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:49.082141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079917/publication.txt
observed fc8a84f9a90fd4243b53e83906acc7eb...
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.