OpenTechnical

OT-2026-000009989

Publication integrity record

Foam pad vacuum gripper, three zone face, two stage ejector, supply line pressure sensor, pulsed 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-2026-000009989) never changes.

Identity and time

Publication numberOT-2026-000009989 · never reused
Internal UUID01a0ae6b-cb79-79f3-9d4c-23ef198a3bb5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009989
StatusPUBLIC

Content hashes

Canonical textb09f646e64e20ebd4526300e9feee9729847896280ffc0053bba7d1de1a2a959
Markdowne4454a1b5288f8d34ad8b0845ef62e20aeea1588f0788313563a65a0d319d856
PDF
Publication pagef745c91228db604187ef46a9dc1f466dad12f35d42a38ab2e9f203ca08bd3474
Manifest775aa208ab3fae62783320cbae683e5665d8fc8c94404da302d549a59d7bf502

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
SignatureK9+k3dJe9Zl5F2yKvVnau4Kf8ZpE2gw7Ix3jv3Ulo73SU4vq94bYfjeydfrDf66M5DOViMwF6dF2sOo4iTYVDA==
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

2026-09-17T12:16:02.163040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009989
observed f745c91228db604187ef46a9dc1f466d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:02.144274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009989/manifest.json
observed 775aa208ab3fae62783320cbae683e56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:02.125205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009989/publication.md
observed e4454a1b5288f8d34ad8b0845ef62e20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:02.078660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009989/publication.txt
observed b09f646e64e20ebd4526300e9feee972...
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.