OpenTechnical

OT-2026-000064099

Publication integrity record

Foam pad vacuum gripper, two zone face, pump fed, 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-2026-000064099) never changes.

Identity and time

Publication numberOT-2026-000064099 · never reused
Internal UUID01a0ae8d-a45f-7ba9-a21f-153b62c78ac9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064099
StatusPUBLIC

Content hashes

Canonical text5b9057e5b977e718b85b6192306a4b3151366ddccce8122e967e2c9ad80349d8
Markdown78e6ae6d0451f213a9f6492692500b4168ea558f02abe8b7aba73d972a7ed085
PDF
Publication page8899c3ef4e843b8ae28f4130b155891960a11f2d24832221842e8c64540f214c
Manifestd2122a04afdf4f177a6724c7bfe86e5a71d274810aefec31ff10249e500c1c45

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
Signatured69EbkXjs/pCNFWty8tgQyKb8geFpYC2pbcEfbLZX6QqljbnZHI0zrD5xFLfcWyZbov2MyWFMPm1/uh+teuhAw==
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

2026-09-17T10:36:05.361935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064099
observed 8899c3ef4e843b8ae28f4130b1558919...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:05.343780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064099/manifest.json
observed d2122a04afdf4f177a6724c7bfe86e5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:05.322635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064099/publication.md
observed 78e6ae6d0451f213a9f6492692500b41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:05.304005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064099/publication.txt
observed 5b9057e5b977e718b85b6192306a4b31...
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.