OpenTechnical

OT-2026-000089845

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000089845) never changes.

Identity and time

Publication numberOT-2026-000089845 · never reused
Internal UUID01a0ae9c-428d-74a1-ab7a-265bc5c29f48 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089845
StatusPUBLIC

Content hashes

Canonical text01508eea7287b704f778433ceca7b4f79dbddd9bf558affed77636fae2a6180b
Markdown79b14a901b44274a5307264dd7c93e1a9a0563ba49c13f169dd60bc7604f6683
PDF
Publication page80ebbce3fb33eb841b7931121b0900b07840e9f61b768e8d5a3e9d0d16a1f65b
Manifest008cea37d5161ab1f74a45939501829df8b753777c46304ef93f1df80f50d0de

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
Signatureq6Idfh4FBUiATn22GqI9E02oExiDmchzSE99pu7iLdmROuT6eajaj8ykKrrLmAgSti4GDiSREhhRZRkErRetCg==
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

2026-09-18T00:43:48.270954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089845
observed 80ebbce3fb33eb841b7931121b0900b0...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-18T00:43:48.064920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089845/manifest.json
observed 008cea37d5161ab1f74a45939501829d...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-18T00:43:47.893741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089845/publication.md
observed 79b14a901b44274a5307264dd7c93e1a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-18T00:43:47.702673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089845/publication.txt
observed 01508eea7287b704f778433ceca7b4f7...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T09:45:05.406074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089845
observed 80ebbce3fb33eb841b7931121b0900b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:05.387353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089845/manifest.json
observed 008cea37d5161ab1f74a45939501829d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:05.367518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089845/publication.md
observed 79b14a901b44274a5307264dd7c93e1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:05.350186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089845/publication.txt
observed 01508eea7287b704f778433ceca7b4f7...
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.