OpenTechnical

OT-2026-000100637

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000100637) never changes.

Identity and time

Publication numberOT-2026-000100637 · never reused
Internal UUID01a0aea3-66f3-762f-95ca-dd6b119182bd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100637
StatusPUBLIC

Content hashes

Canonical textd9dc8b89d931d887f43433acbe9a5eee040bd96ff1d7f3025010761fb1493e73
Markdown88159068caa7e65d9acc4f528528aa1a200d19b35936de70815a8438ebfad180
PDF
Publication page9625f5b169e72ea6e6a35a36a75b898720efa9fb2eeb40ce076dc2378c08503c
Manifest8c92066f41e2f0423e0521cbc7617512c78cd801c31bf6139f4067abcdcaaa4c

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
SignatureLSnyh8KHRvNSmhT72yqD7kqnhk5joXHNUCMo93fK86pWvaLroLPsiRCUi9YXE1zJGUAqryf1bQgsZR0NTQ44Bg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:26.334533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100637
observed 9625f5b169e72ea6e6a35a36a75b8987...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:26.315900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100637/manifest.json
observed 8c92066f41e2f0423e0521cbc7617512...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:26.297513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100637/publication.md
observed 88159068caa7e65d9acc4f528528aa1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:26.277848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100637/publication.txt
observed d9dc8b89d931d887f43433acbe9a5eee...
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.