OpenTechnical

OT-2026-000026877

Publication integrity record

Single cup vacuum gripper, three stage ejector, 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-2026-000026877) never changes.

Identity and time

Publication numberOT-2026-000026877 · never reused
Internal UUID01a0ae72-3452-7e0f-aa54-2bf92def23b9 · 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-2026-000026877
StatusPUBLIC

Content hashes

Canonical textd0be4a394bfab00ae9cc7704cfc2562225882520e3e6bf1d5d93050dee8213ee
Markdown09974577caac6e785fe6133662f3345c4097c0dd93d19ea3e71b3aa87803c6af
PDF
Publication pageb8d27de3790c2a9dbf156eb3945f8b1dd522fa8c007207e0c2d2596e0f7f0d58
Manifestf36d069baf6575e7b69cc21e833473c297c9a51c0774f04bda8324a83fbde18b

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
SignatureDxB7RlyctwzKNA54YQD4fNVR+JHGFhsD+6dOtrRNd4fIMNVuw0ZQSvKer1Ov1xZjqWXP+hlfRjDUlch0Z/gSCg==
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

2026-09-17T11:43:28.927620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026877
observed b8d27de3790c2a9dbf156eb3945f8b1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:28.912378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026877/manifest.json
observed f36d069baf6575e7b69cc21e833473c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:28.893722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026877/publication.md
observed 09974577caac6e785fe6133662f3345c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:28.878726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026877/publication.txt
observed d0be4a394bfab00ae9cc7704cfc25622...
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.