OpenTechnical

OT-2026-000089952

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000089952) never changes.

Identity and time

Publication numberOT-2026-000089952 · never reused
Internal UUID01a0ae9c-428d-727d-bbd9-fb66bd024aed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089952
StatusPUBLIC

Content hashes

Canonical texte52fd08d2f022440e8750f02621107e0a1592119ce6e32e4235de049c2781008
Markdown63b5c0094f4e80933c9990fd949001dd6d2b8d2a8ef503319401cf8f34bda3dd
PDF
Publication page1f81aaa31caf261eea7cdbadfff67b9015c5f4f3a47c06965849928b221914ab
Manifest53572d73c5cdf97714b95e09795ed7fa03973511c8828dd0e7dc0b49e9ec768c

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
SignaturehBDw/r4b+McQm/PrtCkcCF1x62jEn46Qz82YDWvY22q/KJvUUZNfPeucZEENJSS1Amu1o3XEv60kgaZ0k+Z7Dw==
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

2026-09-17T09:45:20.062897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089952
observed 1f81aaa31caf261eea7cdbadfff67b90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:20.043422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089952/manifest.json
observed 53572d73c5cdf97714b95e09795ed7fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:20.025455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089952/publication.md
observed 63b5c0094f4e80933c9990fd949001dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:20.007427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089952/publication.txt
observed e52fd08d2f022440e8750f02621107e0...
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.