OpenTechnical

OT-2026-000027043

Publication integrity record

Three bellows cup vacuum gripper, three zone face, single stage ejector, 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-2026-000027043) never changes.

Identity and time

Publication numberOT-2026-000027043 · never reused
Internal UUID01a0ae72-3453-763f-9792-dc8d4052b67c · 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-2026-000027043
StatusPUBLIC

Content hashes

Canonical text8e86d2119ce16379c5e795e2565a6adb70a31fda80663422380bd3c3c170e274
Markdown71e2ffc77be5eb1f8556cef00e8baf4c78c9a9e8f74230be465f45345c4d5d97
PDF
Publication page20baf5a869fff40bba4feaec65e53b4bba46e62e930058b86b479f3f61ee3a49
Manifestb1512740671c61c4468fcebf4c6d437b111298f9431b11663986befa33abdc36

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
Signature3bCzBVDJOMurFP2xzlPHdhYya7UbQNVOrlUzXr09VKaYo/OPn63+qA896RPafezE1JU2JLlzCVbUdqHMT2hxAA==
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

2026-09-17T11:43:47.931218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027043
observed 20baf5a869fff40bba4feaec65e53b4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:47.914316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027043/manifest.json
observed b1512740671c61c4468fcebf4c6d437b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:47.898330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027043/publication.md
observed 71e2ffc77be5eb1f8556cef00e8baf4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:47.882110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027043/publication.txt
observed 8e86d2119ce16379c5e795e2565a6adb...
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.