OpenTechnical

OT-2026-000091548

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, 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-2026-000091548) never changes.

Identity and time

Publication numberOT-2026-000091548 · never reused
Internal UUID01a0ae9c-f16e-71b2-acd0-aca601395633 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091548
StatusPUBLIC

Content hashes

Canonical text730c091e350e0269821ad76da01e6c72d3edacfcf7859c457450c31a3d500f89
Markdown8d233b3a0d2369c9f6d129f6d664116f1a211714da7632115a7c8b60901700ae
PDF
Publication pagea1dffda4bc369998601efa6d34e63c62f48ab6ffba8d212705d1d27639e0cbf5
Manifest2e383e58fdaaeb4c474a717fd3bdfb54ae4812c69ba9d605b72f043fe4d6821b

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
SignatureZWn5XQyx3x73GJeqH4e2qbBhRanylAEEsH3/+R0iAZSgZKnZUOfODDdIuqthKDpvmZmdymTjAg0koxNsdEt6Bg==
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

2026-09-17T09:43:48.978422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091548
observed a1dffda4bc369998601efa6d34e63c62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:48.962193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091548/manifest.json
observed 2e383e58fdaaeb4c474a717fd3bdfb54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:48.947127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091548/publication.md
observed 8d233b3a0d2369c9f6d129f6d664116f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:48.928701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091548/publication.txt
observed 730c091e350e0269821ad76da01e6c72...
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.