OpenTechnical

OT-2026-000086312

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, two stage ejector, sustained 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-2026-000086312) never changes.

Identity and time

Publication numberOT-2026-000086312 · never reused
Internal UUID01a0ae9a-2c96-75af-a6ff-5f50abcdfc00 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086312
StatusPUBLIC

Content hashes

Canonical textd43bcbbf926fd20a9a2df5f555d79ff03b70617db28602789e260a15a2ae124f
Markdown61aac39175af8b0b78f37354cfb4f016a042b0a3849ac9f20f85533ec75598ea
PDF
Publication page2e95773f7cdbd6f08818934dd6743db7dc613e701c119e426813f2f5ea1f48e1
Manifest300651517ef6b4b7673f5ebda60a374acbb3509110b7bdac63efbd1b3b39106b

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
SignatureztwKeWpodB075jIKt0H6gA9wid5KwRpecXKp7xArUCAi9MRNNF5A+EKekdGqsICtmC9+hw9ffUfyeqhvT4hoAg==
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

2026-09-17T09:51:59.796766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086312
observed 2e95773f7cdbd6f08818934dd6743db7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:59.778252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086312/manifest.json
observed 300651517ef6b4b7673f5ebda60a374a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:59.758802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086312/publication.md
observed 61aac39175af8b0b78f37354cfb4f016...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:59.740485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086312/publication.txt
observed d43bcbbf926fd20a9a2df5f555d79ff0...
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.