OpenTechnical

OT-2026-000077529

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000077529) never changes.

Identity and time

Publication numberOT-2026-000077529 · never reused
Internal UUID01a0ae94-f50a-704a-8516-92a661a48fd2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077529
StatusPUBLIC

Content hashes

Canonical text8b7bd1b5a44973e5e5eab02fe9176fb4e6a889dc1caacb75b2b4c16787b62731
Markdown6bac427859776236d80bcd02ab9f0c89eb41d86a0f025ccee3b6f39a4d1557ba
PDF
Publication pagef7184919e0049147b072ab775aa5e38dfe780152a0c9b90fb9da789460f60d75
Manifestd1b242368ebc158550dc945778f90cefb040e848664764b82af182af3e9a6593

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
SignatureCN+LpWNkRUjVitabF/GLqLqL/ZkiDfHTju0CimZF+GkmKFR4wglHEiMGOndUSksgHszpEYIMuYko1m+TSvdmCA==
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

2026-09-17T10:09:13.251036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077529
observed f7184919e0049147b072ab775aa5e38d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:13.232882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077529/manifest.json
observed d1b242368ebc158550dc945778f90cef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:13.212582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077529/publication.md
observed 6bac427859776236d80bcd02ab9f0c89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:13.190823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077529/publication.txt
observed 8b7bd1b5a44973e5e5eab02fe9176fb4...
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.