OpenTechnical

OT-2026-000060341

Publication integrity record

Single cup vacuum gripper, single stage ejector, vented after 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-2026-000060341) never changes.

Identity and time

Publication numberOT-2026-000060341 · never reused
Internal UUID01a0ae8a-5a75-7cbd-8b94-0560630d2cc4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060341
StatusPUBLIC

Content hashes

Canonical text698b3d7319238c203de743af1a0d0ac477f34a40fefea792f1b37c66eb17a5cc
Markdownba2782d0259921d0635e6137863203cc47026e01e038047c11f2f5ca6efdc9b6
PDF
Publication pageaca0b7424e042938303431c8495517b08f1da76cf688fc65568d25d39126baca
Manifest6fee790525adbc15d8e9d32e32d23b7c2dc70d4023f01fe65f723a1209680b4d

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
SignatureCchgggSIV+fJj8IZCmNGYCjp2J4o6GXRjo2oNX+FDxR0RR4SKBY0tzy3iMheLGW6GRhkv03YxmGcyAwKt1d8Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T12:43:07.667715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060341
observed aca0b7424e042938303431c8495517b0...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:43:07.538161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060341/manifest.json
observed 6fee790525adbc15d8e9d32e32d23b7c...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:43:07.387192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060341/publication.md
observed ba2782d0259921d0635e6137863203cc...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:43:07.217096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060341/publication.txt
observed 698b3d7319238c203de743af1a0d0ac4...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T10:44:04.472654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060341
observed aca0b7424e042938303431c8495517b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:04.444493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060341/manifest.json
observed 6fee790525adbc15d8e9d32e32d23b7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:04.419174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060341/publication.md
observed ba2782d0259921d0635e6137863203cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:04.389685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060341/publication.txt
observed 698b3d7319238c203de743af1a0d0ac4...
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.