OpenTechnical

OT-2026-000088865

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, pump fed, supply line 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-2026-000088865) never changes.

Identity and time

Publication numberOT-2026-000088865 · never reused
Internal UUID01a0ae9b-8f11-7b9e-9a87-cc9fe8f81cb6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088865
StatusPUBLIC

Content hashes

Canonical text681e443d2306db5aac4bd3cbb174e4d6d82612859383c5213e0be5a5339e9398
Markdownc7c49d5efd857b4e02377ca388b33a1f592440206e743c84480e777ca2107bf6
PDF
Publication page8ee7ceb31296c64b5077a18a559aa76d540e2627acc988aa02f9080ae5b9b672
Manifest4422ff00c57ca73608450fe2c5d1c1e9990fad4eaa43da51b8083f20c697971b

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
SignatureufSRwCGrfaGkao5J5wEmzzo1BIazfiDb9LFIwrRX8iFRdek/KUwG8JX7pu7YhahO03H29yQUNMZ1apE/HMnsDw==
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

2026-09-17T09:48:15.644363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088865
observed 8ee7ceb31296c64b5077a18a559aa76d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:15.623708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088865/manifest.json
observed 4422ff00c57ca73608450fe2c5d1c1e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:15.606721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088865/publication.md
observed c7c49d5efd857b4e02377ca388b33a1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:15.590119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088865/publication.txt
observed 681e443d2306db5aac4bd3cbb174e4d6...
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.