OpenTechnical

OT-2026-000076711

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, two 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-2026-000076711) never changes.

Identity and time

Publication numberOT-2026-000076711 · never reused
Internal UUID01a0ae94-b06f-7d97-b31f-74fc7a23b3c5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076711
StatusPUBLIC

Content hashes

Canonical textc49d1efa5787797433281ae900ffedc2519998ae660e129d9c64bfe9432a659b
Markdown86c4bc349a423e9450d9c736ac77904bced902f99ce2bb8724a2e95261c8fd5f
PDF
Publication page501c713eaff7a16c6390363b2d0b4d4ccb73bcbbd1aeb5ada37f7f2859a33c1d
Manifest4e9c124f7bcc32d3deed1e67ea7ba1050ea32dc4c15ab2ac6a7aa4262ba493d0

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
SignatureTmF48tIEQSYV5Yk9rUP88HY/wtP9pYFrYUlD51wNJ6jY2Mt2JDHlbGvwQrqYIQ+GgQSh3/YCZv8GmOqubtAVDA==
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

2026-10-27T04:41:20.206907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076711
observed 501c713eaff7a16c6390363b2d0b4d4c...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-27T04:41:20.140475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076711/manifest.json
observed 4e9c124f7bcc32d3deed1e67ea7ba105...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-27T04:41:20.048044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076711/publication.md
observed 86c4bc349a423e9450d9c736ac77904b...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-27T04:41:19.959926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076711/publication.txt
observed c49d1efa5787797433281ae900ffedc2...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T10:09:28.719771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076711
observed 501c713eaff7a16c6390363b2d0b4d4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:28.700138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076711/manifest.json
observed 4e9c124f7bcc32d3deed1e67ea7ba105...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:28.680807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076711/publication.md
observed 86c4bc349a423e9450d9c736ac77904b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:28.663442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076711/publication.txt
observed c49d1efa5787797433281ae900ffedc2...
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

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