OpenTechnical

OT-2026-000061508

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off after 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-2026-000061508) never changes.

Identity and time

Publication numberOT-2026-000061508 · never reused
Internal UUID01a0ae8b-7b44-73a6-bf70-af1bbc1a6fbb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061508
StatusPUBLIC

Content hashes

Canonical text147a08e69b0915eac7aeb24d048b77d9b5b5cd3bad2dd44403338c1bc8611837
Markdowndc36776a50a2b51c55a96102b1fa53a7cc22f324651253c471ee30247ff8f2b1
PDF
Publication pagec0f77b93f72d52008f5f92852abaf07be0d31ceb46faee182bd0f622605a0877
Manifestee7de72cb34ab5702740c9ce9a23d51c111e7e3a5206fdd341310217dbd94fc3

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
SignatureY9pbfUNWLIgMpP/+Uvwl3daVA2fwKl83ECPADEm7kaBng9umt5VoQh/A9vfJzaj81x4UUdlsqjG9/jB1d2DjCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:24.262542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061508
observed c0f77b93f72d52008f5f92852abaf07b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:24.244418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061508/manifest.json
observed ee7de72cb34ab5702740c9ce9a23d51c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:24.225795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061508/publication.md
observed dc36776a50a2b51c55a96102b1fa53a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:24.206358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061508/publication.txt
observed 147a08e69b0915eac7aeb24d048b77d9...
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.