OpenTechnical

OT-2026-000078067

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, 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-2026-000078067) never changes.

Identity and time

Publication numberOT-2026-000078067 · never reused
Internal UUID01a0ae95-6e8c-7ea3-bcb9-c25d0cde7ae0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:03.897850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078067
StatusPUBLIC

Content hashes

Canonical textb238560caaead3dc96ea06dd1fc44a55158995d9a81e078bbd3f299ad0453718
Markdownbdb3e515652da71b8962b32ca4652671e5e5b809fef77b6d6dcfaf98b707f618
PDF
Publication page038c922e0ea62641d085269ad1f4dd585566ba3d1558ebe2b43cc4fe4d220952
Manifestc1301d47af9d962cd59b8f31e7bf48a39cf6018da903b676c244950d063ba41b

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
Signature8DFwCXtyUraMk8m9srNl1D9JJcUWKOdl0X0yrFNm6VSPn2MR1q9wD8MaXMG6Er1eAaVTAbnCtNEqPx0YWyB4DQ==
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

2026-09-17T10:06:46.376919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078067
observed 038c922e0ea62641d085269ad1f4dd58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:46.356074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078067/manifest.json
observed c1301d47af9d962cd59b8f31e7bf48a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:46.332805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078067/publication.md
observed bdb3e515652da71b8962b32ca4652671...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:46.309783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078067/publication.txt
observed b238560caaead3dc96ea06dd1fc44a55...
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.