OpenTechnical

OT-2026-000072483

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000072483) never changes.

Identity and time

Publication numberOT-2026-000072483 · never reused
Internal UUID01a0ae92-89d8-756b-9ef6-1be8e6bfd485 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072483
StatusPUBLIC

Content hashes

Canonical text74e2c6c83d89ef6010e11737c7c24cf8f54e6e2ff68885cd03095d3f2cf560bf
Markdowne951c6b1a81a6b583b33ff7a413ef626d7759588a41950e427b7833ae148227c
PDF
Publication paged6bace2cb452534a7f7f678bb5876ca5162bf74e5d5ee8f3c47193890e903778
Manifest038cbdec16081e8a4a4db66af0d5a7c7597f475b059b3267fe1adb33923d4289

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
Signature/RF7IYBHSDq2LmJN+ypqjnlpsuMOTGbx20h+MmHpJvwxCjsBCnn7MhIsM63u1yR4eYjDYjdzJLnfa4OA8JOZBw==
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

2026-09-17T10:22:18.562328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072483
observed d6bace2cb452534a7f7f678bb5876ca5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:18.544631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072483/manifest.json
observed 038cbdec16081e8a4a4db66af0d5a7c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:18.524862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072483/publication.md
observed e951c6b1a81a6b583b33ff7a413ef626...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:18.505497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072483/publication.txt
observed 74e2c6c83d89ef6010e11737c7c24cf8...
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.