OpenTechnical

OT-2026-000078325

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, single 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-2026-000078325) never changes.

Identity and time

Publication numberOT-2026-000078325 · never reused
Internal UUID01a0ae95-7c27-71d7-bbac-53c4d4569851 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078325
StatusPUBLIC

Content hashes

Canonical text50cf9ffaf847b1fe37d8c50f38d7cc1ab345ad9e33126f33a61d01a437b75718
Markdown3b0a7ad0387e582cf7616de22617242a0456b7cc7a5975f9af610dbdbd33fa7c
PDF
Publication pageb3c2f9e5e9f758bc7fc34bf587a601ec603b7e37f599b7a793c4760187d395e2
Manifest814f7d18a575fa432dcd61ca061b365d6343ff4a5c04cb5430fc3fd99daeb6cd

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
Signatureyw4veTz+oHUwUJD2u/pojXCRKCsIfRzEQMk7Rm6+3BXB/vdgYDLCdMnikqujVST1JtfIX56VMSX5LxBFOFSeDQ==
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

2026-09-17T10:06:17.515424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078325
observed b3c2f9e5e9f758bc7fc34bf587a601ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:17.497599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078325/manifest.json
observed 814f7d18a575fa432dcd61ca061b365d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:17.478014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078325/publication.md
observed 3b0a7ad0387e582cf7616de22617242a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:17.459225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078325/publication.txt
observed 50cf9ffaf847b1fe37d8c50f38d7cc1a...
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.