OpenTechnical

OT-2026-000077527

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

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-2026-000077527) never changes.

Identity and time

Publication numberOT-2026-000077527 · never reused
Internal UUID01a0ae94-f50a-70a1-8d45-3cb6f4fe15e1 · 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-2026-000077527
StatusPUBLIC

Content hashes

Canonical text1be9e24387a0c46093bdb34c80951b45ba583413ad1026ac6a1cef0476888ed7
Markdownf7538772ce53e26fc3c48e54137ee39ff1ad85cf5537c2e86f5948dfdbd53a25
PDF
Publication page867c14c72e61d93324fa13b7c1df4069b618324a6c9896ce9b5bfcf3c91c1213
Manifeste9bffae2d73c8214776d76f85fcda332a5ef58a3f3d6b04527d991d2954c0fac

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
SignatureZWKYT5pXaWjpwbxH4dlHJ435M+utY1bvsuE0MH8NFimilri/hWqtLqk5dyt9OZXe/qR5KzfWYE6FLpoyMwWjDg==
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

2026-09-17T10:11:07.438817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077527
observed 867c14c72e61d93324fa13b7c1df4069...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:07.296856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077527/manifest.json
observed e9bffae2d73c8214776d76f85fcda332...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:07.280435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077527/publication.md
observed f7538772ce53e26fc3c48e54137ee39f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:07.263813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077527/publication.txt
observed 1be9e24387a0c46093bdb34c80951b45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:27.740356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077527
observed 867c14c72e61d93324fa13b7c1df4069...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:27.722874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077527/manifest.json
observed e9bffae2d73c8214776d76f85fcda332...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:27.705489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077527/publication.md
observed f7538772ce53e26fc3c48e54137ee39f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:27.687117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077527/publication.txt
observed 1be9e24387a0c46093bdb34c80951b45...
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.