OpenTechnical

OT-2026-000088881

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000088881) never changes.

Identity and time

Publication numberOT-2026-000088881 · never reused
Internal UUID01a0ae9b-8f11-76f4-8f81-5902e4e6cba8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088881
StatusPUBLIC

Content hashes

Canonical text133ef2129e7197f31241a19df72d64e22c6f03d06cd6e09fd06ce2487a3a4ed6
Markdown9daf85d2898601d2a326b0944c8e712086619ec579acec71ca84a44ca66e3d06
PDF
Publication pageba31bf5341b73b4d1b43e0ffd8e29150e9755a815eb8517eb537b55079a6b4f9
Manifestf9ad55a493aab72cac6b3e7f1543267abbfae65f8ae8e9499ac854f0214b1fe2

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
SignatureIw9JzMOO9rsemjgIqSqJbs39A3C63EeF0rG/VUjvOWnrZ3ujj8e+WrdXojj4nu2LikkB8sKYkXodFYkamujBBw==
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

2026-10-29T08:41:16.457978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088881
observed ba31bf5341b73b4d1b43e0ffd8e29150...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-29T08:41:16.340423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088881/manifest.json
observed f9ad55a493aab72cac6b3e7f1543267a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-29T08:41:16.225953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088881/publication.md
observed 9daf85d2898601d2a326b0944c8e7120...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-29T08:41:16.115941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088881/publication.txt
observed 133ef2129e7197f31241a19df72d64e2...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-22T04:23:37.076551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088881
observed ba31bf5341b73b4d1b43e0ffd8e29150...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-22T04:23:37.061966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088881/manifest.json
observed f9ad55a493aab72cac6b3e7f1543267a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-22T04:23:37.035933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088881/publication.md
observed 9daf85d2898601d2a326b0944c8e7120...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-22T04:23:37.013110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088881/publication.txt
observed 133ef2129e7197f31241a19df72d64e2...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent