OpenTechnical

OT-2026-000007053

Publication integrity record

Porous face vacuum gripper, two zone face, two stage ejector, vented before set down

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-2026-000007053) never changes.

Identity and time

Publication numberOT-2026-000007053 · never reused
Internal UUID01a0a970-f42d-737d-ad06-c603b2bcc6bd · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:59:07.185872Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007053
StatusPUBLIC

Content hashes

Canonical text8c9f25220dd7f20d4d79e3f8aa7852f27eef4fda34df6abbc592152f634fe916
Markdown33320784e19efc9ff7f065af7049dc45fc34c94f901175d6f7aa810c70cc815a
PDF
Publication page31992a9cdd5f7d35238d64915c292705c510247e1df7b715e54cfaa8dc3843b0
Manifest84cbf70b3d27f2ae8d481cc843d7f051e3c3545e094ac8d74ffc0f2c90eda652

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
SignatureM0ALi+BGYHKxpDw10P6OJKb01gc4p4vZCSxxdQfLLJ+EUJP3iEXchQldULI3ykWv5FjsJGQaAaPivkabAC5tDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:07.417868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007053
observed 31992a9cdd5f7d35238d64915c292705...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:07.401932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007053/manifest.json
observed 84cbf70b3d27f2ae8d481cc843d7f051...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:07.385840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007053/publication.md
observed 33320784e19efc9ff7f065af7049dc45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:07.245551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007053/publication.txt
observed 8c9f25220dd7f20d4d79e3f8aa7852f2...
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.