OpenTechnical

OT-2026-000067559

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, pressure sensor per zone, pulsed 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-2026-000067559) never changes.

Identity and time

Publication numberOT-2026-000067559 · never reused
Internal UUID01a0ae8f-6bda-79b6-a871-b9ac9ea8fc9b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067559
StatusPUBLIC

Content hashes

Canonical textfddfca291559a11ef2ee3c5343d6f1dd42ea1d5bd3d10408c5f494b5d08b5de0
Markdown5a70004b96aa73d60205c34e86963cecdf2304bc6afa7cf6a84052b13de15789
PDF
Publication pageeca680847337a58e90450cf5fc25dd53fa0dd3a873ed888970e1df5787185606
Manifest0192461e50d85a865bf3d4632ef535f398fccb64b07d73868c39d818ac78bd36

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
SignaturektzkUOzl5KKG/ghRazv2b4ubiHhbGRIkXgHmxxJRtYcTMg0U0dr7XYZb1YrWmyfuRE0gZqUGXU1ZoNeqvlcADQ==
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

2026-09-30T00:41:42.764496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067559
observed eca680847337a58e90450cf5fc25dd53...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-30T00:41:42.688894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067559/manifest.json
observed 0192461e50d85a865bf3d4632ef535f3...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-30T00:41:42.620554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067559/publication.md
observed 5a70004b96aa73d60205c34e86963cec...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-30T00:41:42.557697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067559/publication.txt
observed fddfca291559a11ef2ee3c5343d6f1dd...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-22T16:41:14.846114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067559
observed eca680847337a58e90450cf5fc25dd53...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-22T16:41:14.796655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067559/manifest.json
observed 0192461e50d85a865bf3d4632ef535f3...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-22T16:41:14.732812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067559/publication.md
observed 5a70004b96aa73d60205c34e86963cec...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-22T16:41:14.669950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067559/publication.txt
observed fddfca291559a11ef2ee3c5343d6f1dd...
fetched by grabo-systems from 34.44.131.203, 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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent