OpenTechnical

OT-2026-000027216

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, 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-2026-000027216) never changes.

Identity and time

Publication numberOT-2026-000027216 · never reused
Internal UUID01a0ae72-3454-74a7-8fde-98cdcc349cf3 · 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-2026-000027216
StatusPUBLIC

Content hashes

Canonical text1287eef6491006b954e597f8c2e18a36ad7cab36535c9bf0592db3f79a5e5adf
Markdowne447113c41f63a49d793430214a7fd04fa845a7a312186f34f627d45da1b6c2a
PDF
Publication page3d8a7f410f0e0c9c600a6314d5406e0d5f98f4ee7c9cbbb0deecbb15ff45fede
Manifestf198666203560fcb23c69756127274a8f4f496818839d757112e215d2246eb30

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
SignatureQJ2a4Le1MYLiR4XIS8UNg+SzWum0m8Yl3ecv4Xi4k/3Xxl6wpoKV2R/Dd/AAvFn2sJSw2PDobpnDvHWbLy1UBQ==
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

2026-09-17T11:44:06.509766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027216
observed 3d8a7f410f0e0c9c600a6314d5406e0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:06.492154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027216/manifest.json
observed f198666203560fcb23c69756127274a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:06.472912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027216/publication.md
observed e447113c41f63a49d793430214a7fd04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:06.453729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027216/publication.txt
observed 1287eef6491006b954e597f8c2e18a36...
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.