OpenTechnical

OT-2026-000078014

Publication integrity record

Single bellows cup vacuum gripper, pump fed, vented after 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-2026-000078014) never changes.

Identity and time

Publication numberOT-2026-000078014 · never reused
Internal UUID01a0ae95-2ed1-77bb-9313-52c4410b13b8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078014
StatusPUBLIC

Content hashes

Canonical text3e4e8b94948d00fd04b1d557b69e65fcd91f235b55c5667da7f19f41c02f2e10
Markdownfcc68f8519458986e97ab18da91036d2b6e1f5dcf64e7a7a222cbf408e6a010d
PDF
Publication pagea7acb006068a781dc675a64dab525d8a63aa1dea6b3fd15ddc404cdcb8bb0e50
Manifesta6ede2723c921cfa74210b8c7763867f34fd03f0981ef1ebe6da27cbeafe74d2

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
Signature8u8+vjqzC8ozui6sPOzdd8Qo7poRCP9+lW0rIgfPCevRMwFrCQIh2Vdh4/s0znBeyXXjeWwc+7xYyuJ73KREBQ==
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

2026-09-17T10:10:31.240810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078014
observed a7acb006068a781dc675a64dab525d8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:31.221164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078014/manifest.json
observed a6ede2723c921cfa74210b8c7763867f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:31.202667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078014/publication.md
observed fcc68f8519458986e97ab18da91036d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:31.060730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078014/publication.txt
observed 3e4e8b94948d00fd04b1d557b69e65fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:18.175806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078014
observed a7acb006068a781dc675a64dab525d8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:18.156307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078014/manifest.json
observed a6ede2723c921cfa74210b8c7763867f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:18.138424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078014/publication.md
observed fcc68f8519458986e97ab18da91036d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:18.118470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078014/publication.txt
observed 3e4e8b94948d00fd04b1d557b69e65fc...
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.