OpenTechnical

OT-2026-000079111

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, pump fed, pressure sensor per zone, 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-2026-000079111) never changes.

Identity and time

Publication numberOT-2026-000079111 · never reused
Internal UUID01a0ae95-ccbf-721a-808e-492e78a1aa04 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079111
StatusPUBLIC

Content hashes

Canonical text12b68835e6bdfb1abc49d4a429b5e02619db31516fa0e5d4b3df753f4c1b0700
Markdown5c24516557b8fc5cd48c1b50e93d3ec2f73867897e9a4987bbae40834a0cd1b9
PDF
Publication page816c5dc2f24505bb0e76d3c05bd2e620a6eeeaa561cab0c384b64cb3ba0e1b30
Manifest5c26b198ec5c2a12ab09131a48dd684088fafa48688de1dd842abd6a74064942

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
Signature7+rSTSbs+P+edq1qW4/PFnWUgNQoDdcRWzMSKLJHpR0b3BTjf6kbs3bBG6XtxgZa6m1bTd8ch7jn7RpyBeC6Bw==
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

2026-09-17T10:05:57.528313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079111
observed 816c5dc2f24505bb0e76d3c05bd2e620...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:57.509431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079111/manifest.json
observed 5c26b198ec5c2a12ab09131a48dd6840...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:57.491163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079111/publication.md
observed 5c24516557b8fc5cd48c1b50e93d3ec2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:57.472943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079111/publication.txt
observed 12b68835e6bdfb1abc49d4a429b5e026...
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.