OpenTechnical

OT-2026-000073914

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented 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-2026-000073914) never changes.

Identity and time

Publication numberOT-2026-000073914 · never reused
Internal UUID01a0ae93-2b8e-7513-a6a2-a8bc48cbe79c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073914
StatusPUBLIC

Content hashes

Canonical textfe2d03599a0958b752413401b972b04033b13459a00a5abdd72af7861ea032c8
Markdown652b9eed9b4de7d5584a1674d917fda9fc5196fbfeab70271c2177722748f7cf
PDF
Publication page52ce1da1557c8177800823798b4a6f349768547ce131f8ffb113521edda655d9
Manifest42ac44881264c499255f1f7fc696bba695f222c4e8ca1af10da298c45f3aadf4

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
SignatureqIAVmcdL9oHHKKFvMKh2q0iE1LlpbJIvfU15IPbHUn8o/2QRRhMV/UsGNT7V3DCRWHbTXl/rvqChCx2gjsEACg==
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

2026-09-17T10:20:11.235055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073914
observed 52ce1da1557c8177800823798b4a6f34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:11.214702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073914/manifest.json
observed 42ac44881264c499255f1f7fc696bba6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:11.125696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073914/publication.md
observed 652b9eed9b4de7d5584a1674d917fda9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:11.103371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073914/publication.txt
observed fe2d03599a0958b752413401b972b040...
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.