OpenTechnical

OT-2026-000068703

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, vented after 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-2026-000068703) never changes.

Identity and time

Publication numberOT-2026-000068703 · never reused
Internal UUID01a0ae90-2483-743b-8e7a-5a0d04549a26 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068703
StatusPUBLIC

Content hashes

Canonical text93e55500e93a799500f00bc71485ec3018cb31c2af93eb67239f8d796e89653b
Markdown3883de62f336242c8837d4d372138ebfa9d8189db2b4614635d243a42631697f
PDF
Publication page4baee79f1b09864c01bee42dc895c947aff38c9038aec82ff1ca8a8cfb4e1719
Manifest4371babf23ec3a51daed7e4b1cf1e35967f67bc666e931714fb0368964a4daca

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
Signature5wKNLiF3a67CO38Oilx0QrbCCJ4KP6BZMGIGUfafXmubUAxorfyPzwQ/Bvm8NLKw72fTl9QOcQv7+hufFuMJCA==
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

2026-09-17T10:29:53.424951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068703
observed 4baee79f1b09864c01bee42dc895c947...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:53.407178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068703/manifest.json
observed 4371babf23ec3a51daed7e4b1cf1e359...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:53.390991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068703/publication.md
observed 3883de62f336242c8837d4d372138ebf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:53.372359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068703/publication.txt
observed 93e55500e93a799500f00bc71485ec30...
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.