OpenTechnical

OT-2026-000013595

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, pump fed, pulsed 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-2026-000013595) never changes.

Identity and time

Publication numberOT-2026-000013595 · never reused
Internal UUID01a0ae6d-6fcb-7647-9d05-b86fdca7a517 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013595
StatusPUBLIC

Content hashes

Canonical texted86fcc112ae1417210d562be11363c008e772afdf6124c8905c371a9135d264
Markdownf75715e90d1af63ce3061341fe487bdd6bbe130768e6d7e290b2ab73bcf5dd83
PDF
Publication pageec056ec3961824230d8eea3ad42e75315e0cb3bbca4db56540e9d53d5321da62
Manifest42152109f7744c5152d63db17b5890095cfbd1e72aef1c3717b8c33d5d9e3fe9

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
Signature4L6P5qdG/e3QJ/PF492vwRcfJY2rV/Axl5nupNog+EryvL43ESHSbQJL3Z/WGoI1CJI2i6TxjjJAi+c2qoxKCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T16:41:22.609187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013595
observed ec056ec3961824230d8eea3ad42e7531...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:41:22.196013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013595/manifest.json
observed 42152109f7744c5152d63db17b589009...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:41:21.764731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013595/publication.md
observed f75715e90d1af63ce3061341fe487bdd...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:41:21.573778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013595/publication.txt
observed ed86fcc112ae1417210d562be11363c0...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:10:08.929215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013595
observed ec056ec3961824230d8eea3ad42e7531...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:08.910118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013595/manifest.json
observed 42152109f7744c5152d63db17b589009...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:08.890641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013595/publication.md
observed f75715e90d1af63ce3061341fe487bdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:08.871844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013595/publication.txt
observed ed86fcc112ae1417210d562be11363c0...
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.