OpenTechnical

OT-2026-000063659

Publication integrity record

Two bellows cup vacuum gripper, two zone face, 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-2026-000063659) never changes.

Identity and time

Publication numberOT-2026-000063659 · never reused
Internal UUID01a0ae8c-f946-7d5e-b1be-8a5099cc0ea9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063659
StatusPUBLIC

Content hashes

Canonical text2875d3d74506c4fa382a4413465749fba51e62a5c2ea0c02596e9bbe85a30837
Markdown1755dad2f720aead3c41ed119237ead833944944e4479a6769b75dada6ebc299
PDF
Publication paged735ee8792c7fe3a59692a477ac9caa5a84024012f054edf8148e80710219256
Manifestfd8fbdfaa40d385b73ce5829374cfd5ff6f66ccd089446965dd54c93500c6582

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
Signature24kLI1uR2UU54grLiHpdkJdoA9yKCrEw7oLAXEJW6/id5qffhGYpxRxKupT/tge5/kem2906MrfCyt1Qg5C3Dw==
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

2026-10-03T04:23:17.311768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063659
observed d735ee8792c7fe3a59692a477ac9caa5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-03T04:23:17.295099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063659/manifest.json
observed fd8fbdfaa40d385b73ce5829374cfd5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-03T04:23:17.271436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063659/publication.md
observed 1755dad2f720aead3c41ed119237ead8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-03T04:23:17.248467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063659/publication.txt
observed 2875d3d74506c4fa382a4413465749fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-25T00:41:51.687486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063659
observed d735ee8792c7fe3a59692a477ac9caa5...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-25T00:41:51.638987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063659/manifest.json
observed fd8fbdfaa40d385b73ce5829374cfd5f...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-25T00:41:51.582986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063659/publication.md
observed 1755dad2f720aead3c41ed119237ead8...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-25T00:41:51.520507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063659/publication.txt
observed 2875d3d74506c4fa382a4413465749fb...
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