OpenTechnical

OT-2026-000088453

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, single 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-2026-000088453) never changes.

Identity and time

Publication numberOT-2026-000088453 · never reused
Internal UUID01a0ae9b-5d28-78b3-9939-269f767a47d6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088453
StatusPUBLIC

Content hashes

Canonical text141d01e86ece9a270283c64ddaf74e25ede15e6955689e1deb3e107adddff3d1
Markdown7caab60151dd3eb2d0c43edcb34f3f1ef097d0593c4b5b7afc28cfc0ce5adb31
PDF
Publication pagee3de01dc791dec68f491dd7367067b60f20679b95e97c31194524b9e23c85167
Manifest397c78666dbbf5be9d097ebad2c8949f9f383ef1e35f27ae458a84831f13975d

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
Signature7H0wHbW/8WEFuQQ3+ZbkSo+1gPTCWBLZSuIwZ0cWaMDtMiJccgOEzxT27tDc2ZNZybyKaE3vyOls9/FG1q6eDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:48:49.967679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088453
observed e3de01dc791dec68f491dd7367067b60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:49.951153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088453/manifest.json
observed 397c78666dbbf5be9d097ebad2c8949f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:49.933642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088453/publication.md
observed 7caab60151dd3eb2d0c43edcb34f3f1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:49.915743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088453/publication.txt
observed 141d01e86ece9a270283c64ddaf74e25...
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.