OpenTechnical

OT-2026-000015072

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, 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-2026-000015072) never changes.

Identity and time

Publication numberOT-2026-000015072 · never reused
Internal UUID01a0ae6d-d096-7516-aeca-afc010f37d88 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015072
StatusPUBLIC

Content hashes

Canonical textd1d5ebd7447eb0dab7138d3aab1d599db4f12bde12b4cc496817dd22b676d84e
Markdown221672476f0d3bb1dc044285765e1d6110a98babcefe98be32d84d69cf815a18
PDF
Publication pagef4c701b69408e4e8149a654bdf256267bd3d8a67cd2fb54a49b0ab7b53ff925b
Manifest11257a3ba31da155b9aacbcffbef185b07d748f47aa677df42527fe6a414f84f

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
Signatureh/vDv0iOaasgXSAv7O+BDzgN3QTjx3fNDizYaFiOTQU3TXehEU+1wA4ba+TMU8vS5Xxj2HS4BzasFLNIA5i4Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:07:07.185621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015072
observed f4c701b69408e4e8149a654bdf256267...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:07.166036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015072/manifest.json
observed 11257a3ba31da155b9aacbcffbef185b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:07.145693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015072/publication.md
observed 221672476f0d3bb1dc044285765e1d61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:07.124787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015072/publication.txt
observed d1d5ebd7447eb0dab7138d3aab1d599d...
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.