OpenTechnical

OT-2026-000026913

Publication integrity record

Single cup vacuum gripper, pump fed, supply line pressure sensor, sustained 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-2026-000026913) never changes.

Identity and time

Publication numberOT-2026-000026913 · never reused
Internal UUID01a0ae72-3452-7a10-82e0-b382c36ed979 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026913
StatusPUBLIC

Content hashes

Canonical textf167d2bcddb65da398f65ec76e88326b35523565ae7c07c25cfa66d31d8c0962
Markdowna52d527e3ef93cfefee1d52a3d34727a03ff9108a5a7b85ee4297c90ca619e6f
PDF
Publication pagefc587240dc030d110feb958c79d214ebb7efedec4d8c72736877703b354895f1
Manifest461cb5a97739a183b016298b0671467a809efac37bb67d6665d608ec4cbad6d3

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
Signature63swd0R3lY+chdd/ihoJurd7PXxb/WScbPbyHu5i3S9vq42qmgPCOs5827n4dkVSuTRalbLh9NzWHYp4PMjAAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:43:31.578432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026913
observed fc587240dc030d110feb958c79d214eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:31.561798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026913/manifest.json
observed 461cb5a97739a183b016298b0671467a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:31.545779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026913/publication.md
observed a52d527e3ef93cfefee1d52a3d34727a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:31.526897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026913/publication.txt
observed f167d2bcddb65da398f65ec76e88326b...
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.